Features: 2.4G Wireless Microphone SystemThis wireless microphone adopts a 2.4G frequency band, Features stable signal transmission and a 30m effective range, is not easy to interfere with, ideal for film & vlog recording, live streaming, interview, etc. Paired Transmitter & ReceiverTransmitters and receiver have been paired, just turn them on, then the transmitter and receiver will automatically link to the frequency within 3s, plug and play, without tedious debugging. Dual Microphone DesignThe two transmitter has a built-in microphone and supports omnidirectional pickup with clearer sound, which allows users to record more flexibly. Built-in Rechargeable BatteryThe transmitter and receiver both have a built-in rechargeable battery that can be charged via the provided USB cables, and the working time is up to 8H after fully charging. Real Time MonitoringThe receiver has a real-time return monitoring interface, you can connect headphones to monitor the recording effect; the backside clip design can be fixed on the collar easily and quickly. Specifications: Item: Microphone Transmission: 2.4G Distance: 30meters Color: Black Material: ABS Battery: 300mAh Product Size: 4.9*3.2cm / 1.93*1.26in Product Weight: 20.5g / 0.72oz Package Size: 13.8*11*4cm / 5.43*4.33*1.57in Package Weight: 166g / 5.86oz Package List: 2 * Microphone Transmitter 1 * Phone Receiver 1 * Type-C Cable 1 * 3.5MM Cable 1 * User Manual