VD-BT055

1.Bluetooth Version: 6.0

2.Chip:JL6983D4

3.Bluetooth Protocol:A2DP/AVRCP/HFP/HSP

4.Transmission Distance: about 10 meters

5.Call Duration:3.5H

6.Music Playback time: 4.5H

7.Standby time：36H

8.Battery Capacity:25/300mAh

9.Charging time：2H

10.Speaker:Φ13mm

11.Speaker Sensitivity: 116±3dB

12.Frequency Response:20Hz～20KHz