Features: Wireless Microphone SystemThis 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 TransmissionUp to 50M effective transmission helps you to realize long-distance recording easily. Built-in smart noise reduction module, the wireless microphone can effectively filter out the noise to improve sound quality by turning on the NR function. Omni-directional MicrophoneThe wireless microphone for phone with omnidirectional poplar pattern supports 360 degrees all directions sound pickup to achieve better spatial sense. Long Battery Life SpanThe transmitter has built-in rechargeable lithium battery, long battery life, while the receiver is powered by external device and has a type-c charging port. You can charge your mobile phone while using the microphone system. Mini Clip-on MicrophoneClassic mini style design, the microphone transmitter has a 360 degrees rotatable backside clip, which allow you to fix the microphone to your collar conveniently. Specifications: Brand: BOYA Color: Black/ Pink(optional) Transmission Type: 2.4G Poplar Pattern: Omnidirectional Frequency Response: 20Hz-16kHz Signal-to-noise Ratio: 80dB Sensitivity: -42dB Operating Range: 50m (without obstacles) RF Output Power: 6dBm Transmitter"s Battery Capacity: 95mAh Transmitter"s Charging Time: Approx. 2 hours Transmitter"s Battery Life: Approx.9 hours Receiver"s Power Requirement: Supplied by External devices Packing List: 2 * Transmitters 1 * Receiver 1 * Charging Cable 1 * Users Manual(English & Chinese)