Bluetooth version: V6.0 

- Battery capacity: 300 mAh 

- Charge time: 2 hrs

- Input charging standard: Type-C

- Working time:30 hrs（turn off）/ 20 hrs（turn on）

 -Stand-by time：200 h 

- Material: ABS / MVQ

- Transmission range: ≥ 10 M 

-Depth of noise reduction：-20±3dB

 -Speaker system:Dimensional sound

- Sensitivity: 100±3dB

 - Impedance: 32±3Ω

- Frequency response: 20-20KHz

- Supporting agreement: HFP/A2DP/AVRCP

- Use mode: Bluetooth music mode / AUX mode/Noise Reduction Mode