XTUGA J02 2.4G Stereo Wireless In-Ear Mini Monitor System with Transmitter and Receiver 1. 2.4GHz wireless in-ear monitoring system, can build a personal or team monitoring system. Wireless signal transmission, low noise, low latency. 2. 6 channels play simultaneously without interference, delay less than 12ms, and provide clear and delicate audio at any volume. 3. Transmitter and receiver with rechargeable lithium battery, battery life up to 6-8 hours, to ensure every performance has an excellent performance. 4. Using advanced circuit design, excellent chip, clear reception blind spot, so that the systems receiving signal is stable. 5. Frequency response range: 20-20kHz 6. Transmission distance: 30m 7. Dynamic range: greater than 105dB 8. Charging interface: Type-C Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.