Bluetooth Chip: JL6983D2
Bluetooth Version:V5.3
Transmission Distance:10m
Drive Unit:13mm
Sensitivity:118.0±3dB
Working Frequency:2.402GHz-2.480GHz
Battery Capacity:50mAh (Plus protection board)
Charging Box Capacity:230mAh (Plus protection board)
Charging Box Capacity Time:About 1.5H
Music Time:About 7H
Standby Time:About 120days
Input voltage:DC 5V