M5S Wireless In-Ear Monitor System for Stage Live Broadcast 2.4G Transmitter & Receiver 1. Adopt 2.4 GHz band chip, low noise, low latency, 24-bit48KHz audio processor, high quality, low noise, low latency intelligent wireless headphone monitoring system. Monostereo input with one-button switch, compatible with any headphones. 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 last for 10 hours after being fully charged. 4. Multiple receivers can be paired with one transmitter at the same time. Up to 4 units can work simultaneously for small and medium-sized stage performances and daily practice. 5. Frequency response range: 20-20kHz 6. Transmission distance: more than 90 feet 7. Latency: less than 8ms 8. Charging interface: Type-C