Bluetooth version: 5.0
Chipset: JL6936D
Bluetooth protocol: A2DP/HSP/HFP/AVRCP/SPP
Transmission distance: 10m
Sensitivity:95db±3
Erphone battery capacity:35mAh
Power box battery capacity:300mAh
Power bank output:DC 5V 1A
Charging voltage:DC 5V
Charging time:1h
Music time & volumn:3h
Talking time & volumn:2-3h
Standby time:1h
Driver size:10mm
Impedance:16Ω
Frequency:20-20KHz
Material:ABS