1、2.4G wireless transmission, the transmission distance up to 20 meters, stable signal. 2、High sensitivity noise reduction microphone, 360° omnidirectional sound pickup, can reduce the interference from surrounding environment, clear sound. 3、Plug and play, just plug the receiver into your mobile phone, then turn on and pair the transmitter and receiver, you can start your video recording or live streaming, easy to use. 4、Small size, clip-type design, you can easily clip the microphone to your collar or pocket, free your hands, say goodbye to messy cables. 5、Widely used in live streaming, vlog shooting, outdoor interview, online teaching, etc. Features: 2.4G wireless transmission, the transmission distance up to 20 meters, stable signal. High sensitivity noise reduction microphone, 360° omnidirectional sound pickup, can reduce the interference from surrounding environment, clear sound. Plug and play, just plug the receiver into your mobile phone, then turn on and pair the transmitter and receiver, you can start your video recording or live streaming, easy to use. Small size, clip-type design, you can easily clip the microphone to your collar or pocket, free your hands, say goodbye to messy cables. Widely used in live streaming, vlog shooting, outdoor interview, online teaching, etc. Specification: Working method: 2.4G wireless connection Transmission distance: Up to 20m(barrier-free) Microphone sensitivity: -38dbm Normal mode recording sampling rate: 44.1K Noise reduction mode recording sampling rate: 32K Maximum transmit power: 10dbm Battery capacity: 65mAh Charging time: About 1.5 hours Receiver size: 4.5 * 1.57 * 0.7cm /1.77 * 0.62 * 0.28in Microphone size: 6.5 * 1.57 * 1.1cm /2.56 * 0.62 * 0.43in Packing list: 1 * Transmitter 1 * Receiver 1 * Charging cable 1 * User manual 1 * Transmitter 1 * Receiver 1 * Charging cable 1 * User manual