M6S Stereo Wireless In-Ear Monitor System 2.4G Transmitter & Receiver 1. Adopt 2.4 GHz frequency band chip, it is a low-noise, low-latency, dual-channel stereo intelligent wireless monitoring system 2. Automatic pairing: The wireless transmitter and receiver can be paired automatically after turning on the power, without manually changing channels, until the green light stops flashing pairing is successful. 3. The transmitter and receiver are built-in rechargeable large-capacity lithium batteries, which can work last for 8 hours after being fully charged. 4. Multiple receivers can be paired with one transmitter at the same time. 5. Frequency response range: 20-20kHz 6. Transmission distance: 80 feet (unobstructed), 40 feet (through walls) 7. Latency: less than 8ms 8. SNR: -98dB 9. Dynamic range: more than 105dB 10. Battery capacity: 500mAh 11. Charging interface: Type-C