Product number: FWEB402

Version: Bluetooth 4.0

IC: CSR8645
Bluetooth Profiles:A2DP1.2，HFP1.6， HSP1.2，AVRCP1.4，SPP，GAIA，APTX， CVC Channel:Two-channel stereo

SNR:>89dB
Distortion degree:<0.5%
Frequency response:20Hz-20KHz
Rated power:10mW
Maximum power:20mW
Drive unit:10mm
Impedance:16Ω
Sensitivity:98±4dB
Distance:10M
Charging port:Micro USB
Battery capacity: 80mA
Working lasting time:≈4hours
Charging interval:≈1.5hours