Bluetooth version:5.4  JL7006F4

Speaker size: 40mm 

Impedance: 32 Ohm

Sensitivity: 94dB +/-3dB

Frequency response: 20Hz-20kHz 

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

Transmission range: ≥10m

Built-in rechargeable battery:500mAh

Music play time: around 30 hours with light off

Music play time: around 20 hours with light on

Charging time: ≤2h                    

Charging port: Type-C