Transmission Range: 1,100ft (350m) LOS
Frequency Band: 1880-1900 MHz: Europe, South Africa, much of Asia, Hong Kong, Australia,
and New Zealand (10 channels)
1880-1895 MHz: Taiwan (8 channels)
1893-1906 MHz: Japan (J-DECT)
1910-1920 MHz: Brazil (10 channels)
1910-1930 MHz: Much of Latin America excluding Brazil
1920-1930 MHz: USA and Canada
Modulation Mode: GFSK
RX Sensitivity: <-90dBm
Battery Capacity: 700mAh（2.66Wh）
Operation Time
Remote headset: >10 hours (ENC ON)
Master headset: >5 hours (ENC ON with 5 remote headsets)
Master headset: >4 hours (ENC ON with 7 remote headsets)
Charging Time: About 2.5 hours
Frequency Response
ENC OFF: 150Hz–7kHz (fluctuation range: ±6dB)
ENC ON: 150Hz–7kHz
Signal-to-Noise Ratio: 71±2dB@94dBSPL,1kHz
Distortion: <1%@94dBSPL, 150Hz–7kHz
Microphone Type: Electret
Input SPL: >115dBSPL
Output SPL: 94±3dBSPL (@94dBSPL, 1kHz)
ENC: 20dB±2
Net Weight: About 170g (6oz) with the battery included for each wireless headset
Temperature Range
0℃ to 45℃ (working condition)
–10℃ to 60℃ (storage condition)