11 22 33 44 55 Features: Adopts 2.4GHz frequency band with stable signal transmission and 20m effective range, ideal for vlog recording, live streaming, interview, etc. Just turn the transmitter and receiver on, then they will pair with each other automatically, no APP needed, plug and play, without tedious debugging. Type-C receiver is suitable for mobile phones, tablets and other Type-C audio interface devices. It can also be used with Type-C adapter to other interfaces (not included). Innovative intelligent charging case design, the receiver and microphone can be stored in it and can be charged automatically for a long lasting battery life. The transmitter has built-in microphone with omnidirectional pickup clear sound. Back clip design, compact body, easy to install and carry. Specifications: Transmission Frequency Band: 2.4GHz Effective Working Distance: 20m (in open space) Pairing type: Automatic Microphone Battery Capacity: 80mAh Charging Case Battery Capacity: 500mAh Battery Life: about 6 hours Microphone Charging Time: about 50 minutes Package Size: 12.5*8.3*3.2cm/4.92*3.26*1.26in Package Weight: 107g/3.77oz Package List: 1 * Transmitter 1 * Receiver 1 * Type-C Charging Cable 1 * Transmitter 1 * Receiver 1 * Type-C Charging Cable