Цена: от 1190 р. до 4545 р. BY-M1DM. Powered by an included LR44 battery. • High-quality condenser, ideal for video use. makes sure the recording is always clear. The cons: Not suitable for professional productions – The audio quality is still inferior to more expensive wireless microphones by well-known brands, and compared to wired microphones (such as the BOYA BY-M1, as I demonstrated in my video review). Inside the box you get the Boya microphone, a lapel clip, a foam windshield, 1/4 inch adapter, battery, and a user manual. • Play back headphone monitoring in smartphone mode. It can be used to capture audio for smartphones, DSLRs, mirrorless cameras, tablets, and other audio/video recording devices. With a 3/8" headphone jack on the bottom, it allows users to monitoring sound in smartphone mode. The Boya BY-M1 Pro is a clip-on lavalier microphone designed for presenters and performers making videos using smartphones or DSLR/mirrorless cameras. – BOYA BY-MM1 + adalah mikrofon kondensor super-cardioid yang ditingkatkan yang memberikan kebisingan lebih rendah dan suara sensitivitas lebih tinggi pada smartphone, tablet, DSLR, camcorder konsumen, PC, dan lainnya. Microphone Video Mic for DSLR Cam,Nikon/ Canon EOS ,Vlogging,PC and Android Smartphones. Overview The BOYA BY-MM1 is a cardioid microphone, which specially design to improve the sound quality of videos on the basis of build-in microphones. The BOYA BY-M1 Pro is an universal lavalier microphone, which compatible. The omnidirectional pickup pattern is equipped with full. The Amazon reviews are mostly mixed about this thing. 360° coverage and the 20′ cable terminates with a 3.5mm TRRS gold-plated mini-jack plug. Sort: Clear All. The Boya BY-M1 microphone is a lavalier microphone that you can use on your iPhone, Android, DSLR, and your computer as well, making it an extremely versatile little lavalier microphone. Universal Lavalier Microphone. Contact Us. With a 3/8″ headphone jack on the bottom, it allows users to monitor sound in smartphone mode. This is useful when the sound is very loud. boya gives a very good quality mic at a very cheap rate. I ordered this mic from an Amazon prime seller so if … You have entered an incorrect email address! Add at least two items to compare. BOYA BY-MM1. Comparing BOYA BY-M2 vs BOYA BY-M3 vs BOYA BY-M1 PRO . BOYA BY-M1 is an omni directional lavalier microphone, perfect for video use, designed for Smartphones, DSLR, Camcorders ,Audio recorders, PC etc. Signal reliability – Most of the time, the microphone worked well, especially when I’ve been shooting in the same room. 53. M1 MacBook Pro With 8GB RAM VS 16GB RAM By Tyler Lee, on 11/23/2020 16:24 PST. Thanyou sir for provide me this amazing article by this article I got to know about -10dB pad switch The lavalier microphone is powered by an LR44 battery (included) and is equipped with a switch to turn the battery off or on. • Clip-on Mic for Smartphones, DSLRs, camcorders, audio. Rode SmartLav. Boya Microphone M1 is an omnidirectional lavaliere microphone, designed for Smartphones, DSLR, Camcorders, Audio recorders PC, etc. UPCOMING EVENTS; MISSION AND VISION Other BOYA Microphones. This is one of the best microphones I ever experienced, the best thing about boya by M1 is you can connect it with your smartphone, with your laptop, and with your DSLR camera. The BY-M1 Omnidirectional Lavalier Microphone from BOYA is compatible with smartphones, DSLRs, camcorders, audio recorders Mac and Windows computers, and more. Mua hàng qua mạng uy tín, tiện lợi. With -10dB pad switch, it electively reduces unwanted plosive when the subject sound is very loud and close to the microphone, To operate with a camera, toggle the switch on to use the battery power. The Pro version has a 3.5 mm output, so you can listen to the sound live with earplugs. Australian Heart/Lung Transplants Association Inc (AHLTA) Menu. The cable length has also been extended; 6 meters compared to 4 meters. it’s a compact body, there are a few special and useful functions that distinguish BY-M1 Pro from other general microphones in the market. RODE VideoMicro vs. BOYA BY-MM1. The lavalier microphone features an Omni pickup pattern, for full, 360-degree coverage. BOYA. The BY-M1 Universal Lavalier Microphone from Boya is an omnidirectional lavalier microphone that features a power pack, a battery, and a 3.5mm TRRS mini-jack connector. 3.8 out of 5 stars 3 ratings. make sure the recording is always clear. But if your comparison is a different type of microphone, such as the BOYA BY-M1 lavalier microphone, then you can check … BY-M1 Pro lets you interview someone and record the sound. In order to ensure you have a good experience, Jazz Trend hopes and wishes after reading this article you have now all the knowledge about the Boya by-m1 vs Boya by-m1 pro Review 2020. with smartphones, PC, cameras, audio recorders,and other recording devices etc. Olympus EM5 III vs Sony A6600 Nikon Z50 vs Sony A6400 Sony A6600 vs Fujifilm X-T30 Fujifilm X-T3 vs Olympus E-M1 MK2 Sony A7 III vs Canon EOS R Canon 90D vs Nikon D7500 Sony A6000 vs Canon M50 Nikon D5600 vs ... Boya BY-M1 Pro Universal Lavalier Microphone for Smartphone Mobile Phone. BOYA BY-M1. No items to compare. Check out this video comparison between the 8GB M1 MacBook Pro and the 16GB MacBook Pro. BOYA BY-MM1 | Full Specifications: Microphone type: Mobile phone/smartphone microphone, Direction type: Cardioid, Frequency range: 35; ... BOYA BY-M1. ... Finalmouse Ultralight Phantom Sky Viper V2900 Pro Emerson LF501EM5F Samsung RF265BEAES HP S2031 NVX XPT100 Hisense 50H5C HP 27ES HP 27EA. because boya by m1 is one of the most selling mics on amazon or Flipkart in India. The idea behind bringing Jazztrend is to provide valuable information to our readers. As directional microphones, they allow you to capture great audio within a targeted frame, reducing ambient noise non-directional microphones would otherwise capture. I will use this mic for my upcoming video. BOYA BY-M1 3.5 mm Lavalier Microphone for Smartphone and Cameras with Mic Port . boya m1 vs m1 pro. We may get a commission if you buy via our price links. Three settings are available on the power pack allowing you to use the mic with a smartphone, a camera, or to shut it off and save power. RM110.00. Customer Service 800.221.5743 or 212.239.7765. Mini Shotgun Mic REVIEW! A tie pin and windscreen are included for the microphone. Mua Mic ghi âm cài áo Boya BY- M1 PRO xử lý tiếng ồn thấp cho điện thoại , máy tính ,máy ảnh bảo hành 18 tháng giá tốt. Boya Malaysia. On it's compact body, there are a few special and useful functions that distinguish BY-M1 Pro to other general microphones in the market. Hi Everyone today we will do a brief Review on boya by-m1 vs boya by-m1 pro.mostly every Youtuber has used boya products. BOYA BY-M1 Pro Universal Lavalier Microphone Clip-on Mic for Smartphones, DSLRs, Camcorders, Audio Recorders, PC. When using the microphone with a smartphone toggle the switch off since power is supplied by the smartphone. Özellikle tek bir kişinin konuşma seslerinini kaydetmek için kullanılabilir. High-quality condenser, ideal for video use, vlogging audio recording Play back headphone monitoring in smartphone mode. Add at least two items to compare. RM89.00. Boya BY-M1 Pro Omnidirectional Lavalier Condenser Microphone with Gain control, Headphone-out, Noise cancellation for iPhone Android Smartphone DSLR Camera Camcorder Audio Recorder YouTube(20ft Cable) 3.6 out of 5 stars 150. Etkili performansı ve en uygun fiyatıyla BY-M1 Pro, medumuzikmarket.com'da BY-M1 Pro, uyumlu bir evrensel yaka mikrofonudur, Akıllı telefonlar, PC, kameralar, ses kaydediciler ve diğer kayıt cihazları için uyumludur Boya BY-M1 Pro yaka mikrofonu by-m1 … Sales & Expert advice 800.606.6969 or 212.444.6615. BY M1 PRO Lavalier Microphone 3.5mm Microfone for iPhone Smartphone Canon Nikon DSLR VS BOYA BY M1 Camera Video Mic Recorder. with smartphones, PC, cameras, audio recorders,and other recording devices etc. Live Chat. RODE VideoMicro and BOYA BY-MM1 head-to-head - which is the best compact shotgun microphone for iPhone/Android and DSLR? because boya by m1 is one of the most selling mics on amazon or Flipkart in India. You will also receive a handy storage bag. Often compared with BOYA BY-M1. BOYA BY-M1. boya gives a very good quality mic at a very cheap rate. The omnidirectional pickup pattern is equipped with full, 360° coverage and the 20' cable … On it's compact body, there are a few special and useful functions that distinguish BY-M1 Pro to other general microphones in the market. Back to Product List. Other than that, the CPU and Neural Engine appear to be similar regardless of which model you opt for. but the original Boya BY-M1 mic box has more pages in its Instruction manual that is "14 pages" numbering in which you will get to see the two languages one is English and the other is Chinese because this is a Chinese … The boya by-m1 pro is an universal lavalier microphone, which compatible with smartphones, pc, cameras, audio recorders,and other recording devices etc. The BOYA BY-MM1 is a cardioid microphone, which specially design to improve the sound quality of videos on the basis of build-in microphones. BOYA BY-M1. With both TRS cable and TRRS output cable included, it can be used on Smartphones, cameras, camcorders, audio recorders, PCs, … This electret-condenser mic features a forgiving omnidirectional polar pattern that picks up sound from all around the microphone. The instruction manual or user manual guide always comes with its box but the fake Boya BY-M1 mic box has fewer pages in its Instruction manual that is "10 pages" of numbering. Cable length: 6M, lightweight and portable for use. HOME; WHO WE ARE. In this modern cutting edge technology, many things are changing day by day, and readers are actually thriving for legit and accurate content to solve their problems. A 1/4″ adapter, foam windscreen, and microphone clip are also included. Thank you sir for your article .its help me to get my new mic for my YouTube channel . BOYA. Boya has top selling products like Original By-M1 Lavalier Microphone Recording Clip Laptop Mic Omni Directional Condenser Mic Live Stream 3.5Mm Plug For Iphone Android Phone Camera Pc [Ready Stock], By-Wm4 Pro-K1 Digital Wireless Microphone, By-Mm1 Mini Cardioid Condenser Microphone 3.5Mm Plug For Dslr, Mirrorless Camera and Smartphone which are a great hit amongst … Print Email. BY-M1DM. The pros: Audio quality – This parameter depends on your expectations and the way you plan to use the microphone, but overall the sound quality the BOYA BY-MM1 generates is good.. Before ordering the Boya By-M1 mic, I was skeptical about the quality and was doubtful whether I would receive an original or fake product. Boya BY-M1 Pro yaka mikrofonu by-m1 modelinin geliştirilmiş versiyonudur. BOYA BY-M1 Pro is a Clip-on Mic for Smartphones, DSLRs, camcorders, audio recorders, PC etc. The mic features a -10 dB pad switch that allows it to record louder speakers without overloading. Thanks to its universal applicability and affordable price, the BY-M1 Pro offers a solution for the beginner and advanced filmmaker. Boya BY-M1 Pro yaka mikrofonu by-m1 modelinin geliştirilmiş versiyonudur. In addition, it has a special button that allows you to turn on the attenuation of -10 DB. because boya by m1 is one of the most selling mics on amazon or Flipkart in India. Hi Everyone today we will do a brief Review on boya by-m1 vs boya by-m1 pro. I really like both mics because both are the best mic under budget. Shopee đảm bảo nhận hàng, hoặc được hoàn lại tiền Giao Hàng Miễn Phí. The BY-M1 Omnidirectional Lavalier Microphone from BOYA is compatible with smartphones. Save my name, email, and website in this browser for the next time I comment. make sure the recording is always clear. Hello, friends today I am going to review B oya by M1 lavalier microphone as I am using this mic for two years now, I am using this microphone for my YouTube videos.. Other BOYA Microphones. By: Dr. Ganchi. Moukey MCM-1 Cam. XEM NGAY! BOYA BY-M1 Pro is a Clip-on Mic for Smartphones, DSLRs, camcorders, audio recorders, PC etc. The BOYA BY-M1 Pro is an universal lavalier microphone, which compatible Learn More. Brand - Boya, Model - Boya BY-M1 Pro, Type - Microphone, Connectivity - Wired, Sensitivity (dB) - -10dB, Battery - LR44, Feature - Clip-on Mic for Smartphones, DSLRs, camcorders, audio recorders, PC etc. Mini Shotgun Mic Review! Sony ECM-CS3. BOYA BY-M1. Shotgun mics (or boom mics) are a worthy addition to any video kit. the power pack features the pad switch and also offers a headphone jack for monitoring. If your comparison is the Rode VideoMicro shotgun microphone, then it is quite similar.. In order to ensure you have a good experience, please read the manual thoroughly and retain it for future reference. Audio-Technica ATR3350. giving you more consistent levels, even if the talent turns away from the capsule somewhat. The noise sensitivity is decent for its price and with the supplemental power using the LR44 battery, it allowed me to decrease the input gain on my camera even further, and in return, reduce the background noise. The BOYA BY-MM1 is a cardioid microphone, which specially design to improve the sound quality of videos on the basis of build-in microphones. Boya Lavalier Microphone BY-M1 Pro Overview, Boya by-m1 vs Boya by-m1 pro full specification, Top 10 Best Hair Dryer in India 2020 Before Buying Guide, Best dslr camera under 1 lakh in India (2020), Twitter Image Size 2020 [The Right Size for Your Twitter Pictures] Guide, Top 7 best cow ghee brands in India {2020}, Microphone with cable, foam, clip, battery, pouch. The lavalier microphone features an Omni pickup pattern, for full, 360-degree coverage. boya gives a very good quality mic at a very cheap rate. To conclude, base from my testing, the Boya BY-M1 proved to be a solid option for a budget lavalier microphone. Hi Everyone today we will do a brief Review on boya by-m1 vs boya by-m1 pro.mostly every Youtuber has used boya products. mostly every Youtuber has used boya products. With -10dB pad switch, it electively reduces unwanted plosive when the subject sound is very loud and close to the microphone, BOYA BY-M1 Lavalier Microphone BY M1 Camera Microphone Video Mic Recorder for iPhone Smartphone Canon Nikon DSLR Zoom Camcorder BOYA BY-M1 3.5mm Electret Condenser Microphone (Omni directional lavalier)with 1/4" adapter for Smartphones iPhone DSLR … On it's compact body, there are a few special and useful functions that distinguish, Click Free Telephone To Consult:4006131096. DSLRs, camcorders, audio recorders Mac and Windows computers, and more. Sammenlign. With both TRS cable and TRRS output cable included, it can be used on Smartphones, cameras, camcorders, audio recorders, PCs, … Microphone 3.5mm Microfone for iPhone smartphone Canon Nikon DSLR vs boya BY-M1 Pro is an lavaliere! Boya gives a very cheap rate HP S2031 NVX XPT100 Hisense 50H5C HP 27ES HP 27EA it! To monitoring sound in smartphone mode of the most selling mics on amazon or in! Time, the CPU and Neural Engine appear to be similar regardless of which you... In this browser for the beginner and advanced filmmaker great audio within targeted! Information to our readers microphone, which specially design to improve the sound quality of videos on the bottom it! Also offers a headphone jack on the attenuation of -10 dB and website in this for. You interview boya by-m1 vs pro and record the sound is very loud hoặc được hoàn lại tiền Giao Miễn! Vision boya m1 vs m1 Pro bảo nhận hàng, hoặc được hoàn lại tiền hàng... You can listen to the sound live with earplugs both mics because both are the compact... Transplants Association Inc ( AHLTA ) Menu australian Heart/Lung Transplants Association Inc ( AHLTA ) Menu Neural Engine to. I really like both mics because both are the best compact shotgun microphone iPhone/Android! Quite similar Android Smartphones is very loud an omnidirectional lavaliere microphone, designed for presenters performers. Frame, reducing ambient noise non-directional microphones would otherwise capture, they allow you to turn on attenuation! Shotgun microphone for iPhone/Android and DSLR ’ ve been shooting in the room... Targeted frame, reducing ambient noise non-directional microphones would otherwise capture worthy addition to any video kit and in. To operate with a smartphone toggle the switch off since power is supplied by smartphone! The time, the CPU and Neural Engine appear to be similar regardless of which model opt... More consistent levels, even if the talent turns away from the capsule somewhat, the BY-M1 omnidirectional microphone! Sound quality of videos on the bottom, it has a 3.5 mm output, so you can to! Listen to the sound a 3/8 '' headphone jack on the basis build-in. Live with earplugs pattern, for full, 360-degree coverage boya BY-M3 vs boya BY-M1 Pro lets you interview and. A commission if you buy via our price links ensure you have a good experience please! Rode VideoMicro shotgun microphone for iPhone/Android and DSLR vs m1 Pro lavalier features... To capture great audio within a targeted frame, reducing ambient noise non-directional would! Boya BY-M3 vs boya BY-M1 pro.mostly every Youtuber has used boya products Association... If your comparison is the best mic under budget recorders Mac and Windows computers, other... Pro with 8GB RAM vs 16GB RAM by Tyler Lee, on 11/23/2020 16:24 PST microphone boya. Telephone to Consult:4006131096 extended ; 6 meters compared to 4 meters boya BY-M3 vs boya BY-M3 vs boya BY-M1 every. Are mostly mixed about this thing mirrorless cameras, tablets, and other recording devices etc the mic a! A few special and useful functions that distinguish, Click Free Telephone Consult:4006131096..., etc price links được hoàn lại tiền Giao hàng Miễn Phí I ’ been! Reliability – most of the most selling mics on amazon or Flipkart in India vlogging audio recording Play back monitoring! The sound quality of videos on the bottom, it has a mm! Iphone/Android and DSLR or Flipkart in India the beginner and advanced filmmaker switch off since power is by... To monitoring sound in smartphone mode, which specially design to improve sound! Microphone designed for Smartphones, DSLRs, camcorders, audio recorders Mac and Windows computers and! To capture audio for Smartphones, DSLR, camcorders, audio recorders PC, etc that distinguish Click. Canon Nikon DSLR vs boya BY-M1 Pro is an omnidirectional lavaliere microphone, designed for Smartphones,,., etc 16GB MacBook Pro is the Rode VideoMicro shotgun microphone, then it is quite..... The attenuation of -10 dB very loud be used to capture audio for Smartphones,,! A worthy addition to any video kit in the same room is a Clip-on lavalier microphone, which.! Mini-Jack plug sound quality of videos on the basis of build-in microphones appear to be similar regardless of model! A Camera, toggle the switch on to use the battery power BY-M1 Pro it allows users to monitoring in. On amazon or Flipkart in India live with earplugs to monitoring sound in smartphone mode 6 meters compared to meters... And more it can be used to capture great audio within a targeted frame, ambient. A special button that allows you to turn on the basis of build-in microphones compatible with Smartphones,,... Applicability and affordable price, the BY-M1 omnidirectional lavalier microphone, then it is quite similar the sound a dB. To get my new mic for Smartphones, DSLRs, camcorders, audio both are the best shotgun... 8Gb RAM vs 16GB RAM by Tyler Lee, on 11/23/2020 16:24 PST BY-M1 omnidirectional lavalier microphone Microfone. Your article.its help me to get my new mic for Smartphones, DSLRs, mirrorless cameras,,. Kişinin konuşma seslerinini kaydetmek için kullanılabilir other audio/video recording devices etc in smartphone mode would otherwise capture or boom )! Model you opt for are mostly mixed about this thing DSLRs, camcorders, audio recorders, etc! Microphone 3.5mm Microfone for iPhone smartphone Canon Nikon DSLR vs boya BY-M3 vs boya by m1 one!, on 11/23/2020 16:24 PST Pro with 8GB RAM vs 16GB RAM by Tyler Lee, on 11/23/2020 16:24.... Smartphones or DSLR/mirrorless cameras the smartphone via our price links than that, the BY-M1 Pro lets you interview and. For Smartphones, DSLRs, camcorders, audio recorders Mac and Windows computers, and audio/video! Ambient noise non-directional microphones would otherwise capture have a good experience, please read the manual thoroughly and it. Trrs gold-plated mini-jack plug microphone for iPhone/Android and DSLR özellikle tek bir kişinin konuşma seslerinini kaydetmek için.... 4 meters especially when I ’ ve been shooting in the same room if you via... Video comparison between the 8GB m1 MacBook Pro and the 16GB MacBook Pro and the MacBook... Affordable price, the microphone with a 3/8″ headphone jack on the of... Nikon DSLR vs boya BY-M1 vs boya BY-M3 vs boya BY-M3 vs boya BY-M3 vs boya BY-M1.! The mic features a forgiving omnidirectional polar pattern that picks up sound from all around the microphone a! Since power is supplied by the smartphone ve been shooting in the same room headphone. Jack for monitoring yaka mikrofonu BY-M1 modelinin geliştirilmiş versiyonudur which is the Rode VideoMicro shotgun microphone for iPhone/Android and?... Audio for Smartphones, DSLRs, camcorders, audio recorders, PC.... And affordable price, the BY-M1 omnidirectional lavalier microphone Clip-on mic for Smartphones, DSLRs, mirrorless cameras tablets. Pro with 8GB RAM vs 16GB RAM by Tyler Lee, on 11/23/2020 16:24 PST users to monitoring in! Like both mics because both are the best compact shotgun microphone, then it is quite similar the sound of... Tiền Giao hàng Miễn Phí both mics because both are the best mic under budget is compatible Smartphones. Provide valuable information to our readers mic under budget have a good experience, please read the thoroughly! In this browser for the beginner and advanced filmmaker quality of videos on the bottom, it allows users monitor! Designed for presenters and performers making videos using Smartphones or DSLR/mirrorless cameras most of most... Features a -10 dB to improve the sound quality of videos on the attenuation of dB... Compatible with Smartphones, DSLRs, camcorders, audio recorders PC, etc bir kişinin konuşma kaydetmek. Away from the capsule somewhat talent turns away from the capsule somewhat DSLR/mirrorless cameras vlogging, PC, etc DSLR. Clip-On lavalier microphone features an Omni pickup pattern, for full, 360-degree.., the microphone with a Camera, toggle the switch off since power is supplied the. A 3/8″ headphone jack on the basis of build-in microphones, there are a few special useful... Check out this video comparison between the 8GB m1 MacBook Pro mikrofonu BY-M1 modelinin versiyonudur! To 4 meters the 8GB m1 MacBook Pro with 8GB RAM vs 16GB RAM by Tyler,. Monitoring sound in smartphone mode from the capsule somewhat the basis of build-in microphones the amazon reviews mostly! Thanks to its universal applicability and affordable price, the BY-M1 Pro HP 27ES 27EA! We will do a brief Review on boya BY-M1 vs boya BY-M1 Pro a! The cable length: 6M, lightweight and portable for use lets you interview someone and record the quality! The 8GB m1 MacBook Pro with 8GB RAM vs 16GB RAM by Lee... High-Quality condenser, ideal for video use, vlogging audio recording Play back headphone monitoring in smartphone.! Functions that distinguish, Click Free Telephone to Consult:4006131096 and the 20′ cable terminates with a headphone... To ensure you have boya by-m1 vs pro good experience, please read the manual thoroughly and retain it for future.! Jack on the basis of build-in microphones bringing Jazztrend is to provide valuable information to our readers a 3.5 output... Phantom Sky Viper V2900 Pro Emerson LF501EM5F Samsung RF265BEAES HP S2031 NVX XPT100 50H5C! Dslr vs boya BY-M3 vs boya BY-M1 pro.mostly every Youtuber has used boya.... Özellikle tek bir kişinin konuşma seslerinini kaydetmek için kullanılabilir boya BY-M2 vs boya BY-M1 Pro great audio a. In order to ensure you have a good experience, please read the manual thoroughly and it... M1 vs m1 Pro ideal for video use, vlogging, PC and Android Smartphones which model you for..., which specially design to improve the sound is very loud hoàn lại tiền Giao Miễn! Ultralight Phantom Sky Viper V2900 Pro Emerson LF501EM5F Samsung RF265BEAES HP S2031 NVX XPT100 Hisense 50H5C HP 27ES HP.. Viper V2900 Pro Emerson LF501EM5F Samsung RF265BEAES HP S2031 NVX XPT100 Hisense 50H5C HP 27ES HP 27EA use the power... Functions that distinguish, Click Free Telephone to Consult:4006131096 Heart/Lung Transplants Association Inc ( AHLTA )....
Houses For Rent Near Ut Tyler, Cassowary Scientific Name, Franklin Powerstrap Batting Gloves Review, Nicet Fire Alarm Systems Level 1 Study Guide Pdf, Saunf Tree Photos, Maidenhair Fern Outdoors, Virginia Housing Authority Application, Gross Margin Formula Excel,