Driver Unit:2*Φ40

Bluetooth Ver:4.1

Frequency Response:20-20KHz

Impedance:25Ω±15% at 1KHz

Sensitivity:105± 3dB at 1kHz 1mW

Distortion THD:≤3%at 1KHZ 1mW

Max Input Power: 0.04W

Work time:18hrs

Standy Time:600hrs

Charging Time:2.5hrs

Plug:Ø3.5mm

Charge Connector:Micro USB

Battery:450mAh

Rubber finishing

Bluetooth:CSR8635 Module