Bluetooth version: Bluetooth V3.0+EDR CLASS
Profile supported:HFPV1.5,A2DPV1.2,AVRCPV1.4,
                HSP1.2,GAVDP1.2,IOP
Frequency range:………………….2.4GHz-2.48GHz
Transmission distance:…………………10m,Class ll
Driver diameter:…………………………………40mm
Impedance:………………………………………..32 Ω
SNR:……………………………………………..≥75dB
Frequency response:………………………20-20KHz
Plug type:………………………………..3.5mm stereo

Music playing time:…………………………….6 Hours
Talking tine:……………………………………...7 Hours
Standby time:………………………………….400 Hours
Charging time:………………………………….1.5 Hours
Battery capacity:…………………………………300mAH
Charging voltage:…………………………………..DC 5V
Charging port:……………………………………Micro USB
Net weight:……………………………………….appx.170g