Frequency Range：2.4G
Antenna：Ceramic antenna
Material Technology：ABS
Sensitivity：-42DB +/-2DB
Length of use：9 hours
Batteries：240 MAH
Charging current ：1.5A
Charging time ：About 2 hours
Charging voltage：5V
Audio input source：Silicon Malt 3722
Signal-to-noise ratio：96DB
Transmission distance：100 metres (face to face)
Packaging:
2 x TX
1 x RX