This wireless audio transmission system consists of two devices, the ARC2 Transmitter and the ARC2 Receiver. It uses the U-band frequency and is suitable for dynamic microphones. It features a single transmitter with multiple receivers, and multiple transmitters with multiple receivers. It has seven built-in channels and supports up to seven simultaneous channels. It also supports using one transmitter with multiple receivers. Interference-, stable, and long-range. The wirelessly transmitted audio signal is uncompressed, offering excellent interference resistance and obstacle penetration, ensuring high-quality signal reproduction and minimizing signal distortion and attenuation. Its long-lasting battery life, powered by an 800mA high-capacity lithium battery, allows for over 5.5 hours of continuous use, making it easy for both stage performances and daily practice. Color: Black Material: Metal Application: Microphone Package Contents: Transmitterx1 +Receiverx1+ Wirex1 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.