The BOYA BY-MM1 is a compact cardioid on camera microphone, only 81mm (3") long and 86gm (3.04oz) heavy, which is very lightweight and easy to carry.Product HighlightsWork with smartphones, DSLRs, PCs, Consumer camcorders etc.Ideal for recording on vlogs, video-making and more.Compact and portableWith cardioid polar patternNo battery required, plug and play3.5mm TRS and TRRS cable, furry windshield and carrying pouch included.SpecificationsTransducer: Electret CondenserPolar pattern: CardioidFrequency Response: 35-18KHz +/-3dBSensitivity: -42dB +/- 1dB / 0dB=1V/Pa，1kHzSignal to Noise Ratio: 76dB SPLPlug: 3.5mm TRS and TRRS connectionDimensions: Φ22*81mmNet Weight: 86gCardioid Microphone Capturing and Delivering Crystal-clear soundWith a high-quality cardioid directional microphone, it captures the forward sounds and reduces sounds pickup from the sides and back, and delivers crystal-clear audio to your recording device.Innovative Plug-and-play Universal Shotgun MicrophoneThe BY-MM1 features a specific circuit that allows you to plug and play without installing any batteries. Just connect BY-MM1 to your camera via the included 3.5mm TRS to TRS cable, or connect it to your smartphone via the provided 3.5mm TRS to TRRS cable and get started.Custom Shock Mount and Fur WindshieldA hard-wearing shock mount and a suspension structure can minimize unwanted vibration and handling noise effectively. Included a furry windshield, it blocks most of the wind and environment noise.Durable Compact Microphone StructureWith an all-metal microphone body, only 81mm (3") long and 86gm (3.04oz) heavy, BY-MM1 and its accessories can be stored by the carrying pouch and easy to carry anywhere.