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】Up 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 Span】 has built-in rechargeable battery long battery 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. Specifications: Brand: BOYA Color: Black Transmission Type: 2.4G Poplar Pattern: Omnidirectional Frequency Response: 20Hz-16kHz Signal-to-noise Ratio: 80dB Sensitivity: -42dB Operating : 50m (without obstacles) Output : 6dBm s Battery Capacity: 95mAh s Charging Time: Approx. 2 hours s Battery : Approx.9 hours Receiver s Requirement: Supplied by External devices Packing List: 1 * 1 * Receiver 1 * Charging Cable 1 * Users Manual(English & Chinese)