Features: High-quality Sound Transmission: 24-bit audio resolution, sampling frequency of 48K, providing stable and reliable wireless transmission. The delay is less than 6ms, no signal loss. High-quality audio provides stable sampling rate stereo uncompressed digital transmission. Multiple Uses: The transmitter and receiver are suitable for any dynamic microphone, mixer, PA system. Compatible with mixers, recorders, speakers, sound reinforcement systems, power amplifiers, etc. Provide stable and reliable wireless transmission. Make sure you get good performance every time. Rechargeable Battery & Power Indicator: The transmitter and receiver can be charged simultaneously through a dual-port USB cable. You can know the battery level and related channel indicators when you turn it on. Specifications: Color: Black Number of channels: 6 Distance: Transmission distance is about 30 meters Battery life: 5hours Power supply: Built-in USB charging Delay: about 5ms Frequency response range: 20Hz-20kHz Antenna impedance: 50 S/N ratio: 110dB Support microphone types: Dynamic microphone and condenser microphone with built-in power supply Size: 7cm/2.76inch Package Includes: 1 Piece of Wireless Microphone System Receiver 1 Piece of Wireless Microphone System Transmitter