Characteristics: 【Wireless Microphone System】 This wireless microphone system uses 2.4G wireless transmission technology, supports automatic pairing, plug-and-play, no application required, very suitable for phone vlogs, live streaming, interviews, online chats, etc. 【Long distance and clear transmission】 Efficient transmission up to 50M helps you to easily realize long distance recording. Built-in intelligent noise reduction module, wireless microphone can effectively filter out noise to improve sound quality by turning on NR function. 【Multi-directional microphone】 The wireless microphone for the phone with multi-directional poplar pattern supports 360 audio reception in all directions for a better spatial feel. 【Long battery life】 The transmitter has built-in rechargeable lithium battery, long battery life, while the receiver is powered by an external device and has a type-c charging port. You can charge your mobile phone while using the microphone system. 【Mini clip-on microphone】 Classic mini style, the microphone transmitter has a 360 rotating rear clip that allows you to conveniently attach the microphone to the collar. Technical data: Brand: BOYA Black color Transmission Type: 2.4G Poplar pattern: multi-directional Frequency Response: 20 Hz-16 kHz Signal-to-noise ratio: 80dB Sensitivity: -42dB Operating range: 50m (unobstructed) RF Output Power: 6dBm Transmitter Battery Capacity: 95mAh Transmitter charging time: approx. 2 hours Transmitter battery life: about 9 hours Receiver Power Requirements: Provided by external devices List of things to pack: 2 * Transmitters 1 * receiver 1 * charging cable 1 * User Manual (English and Chinese)