*Bluetooth version: CSR8635 V4.1+EDR
*Transmission distance: 10 meters
*Battery capacity: 220mAH
*Talk time: 9-10 hours
*Music time: 7-8 hours
*Standby time: 360 hours
*Charging time: 1-2 hours
*Speaker: 16Ω10mW x 2
*Sensitivity: DBM -80
*Signal to noise ratio: 95dB
*Bearing: all directions
*Frequency range: 2.402GHz-2.480GHz
*Transmit power: 0dBm. Second (4dBm Max)
*Working voltage: 3.7V
*Working current: 20mA
*Distortion factor : ≤1%
*Frequency response : 20Hz-20KHz
*SNR : S/N≥95
*Estimated Working Life: 5~8 years
*Certificate: CE, FCC, ROHS, BQB...etc
*Warranty: Up to 14 months
*Devices Supported: mobile phones, Tablet PC, Ipad,
*Laptop, desktop with bluetooth.....etc
*Net Weight:39g/20g