BOYA BY-V1 One-Trigger-One 2.4G Wireless Microphone System Clip-on Phone Microphone Omnidirectional Mic Auto Pairing Smart Noise Reduction 50M Transmission Replacement for 14/13/12/11 Series Features: 【Wireless Microphone System】This wireless microphone system adopts 2.4G wireless transmission technology supports auto pairing plug-and-play no APP needed very suitable for phone vlog live streaming interview online chatting etc. 【Long Distance and Clear Transmission】 to 50M effective transmission helps you to realize long-distance recording easily. Built-in smart noise reduction module wireless microphone can effectively filter out noise to improve sound quality by turning on NR function. 【Omni-directional Microphone】 wireless microphone for phone with omnidirectional poplar pattern supports 360° all directions sound pickup to achieve better spatial sense. 【Long Battery Life Span】 has built-in rechargeable battery long battery life while receiver is powered by external device and has a type-c charging port. You can charge your mobile phone while using microphone system. 【 Clip-on Microphone】 style design microphone has a 360° rotatable backside clip which allow you to fix microphone to your collar conveniently.