Bluetooth version:6.0  AB8931H

Speaker size: 40mm

Impedance:32Ω±15%

Sensitivity: 114dB ±3dB

Frequency response: 20Hz-20kHz 

Support profile:A2DP/AVRCP/HFP/ATT/GAP/SDP/GATT

Transmission range: ≥30m

Built-in rechargeable battery:500mAh

ANC OFF Music play time: ≥60h    

ANC ON Music play time: ≥35h  

Charging time: ≤2h                    

Charging port: Type-C

Microphone for call :1 mic

Microphone for ANC :4 mic