User's Manual

Charge the earphones--Insert the earphones back to the charging
case, the indicators on the earphones will be solid red while
charging. Once the battery is fully charged, the indicator will
changed to blue colour and lighting for about 5 seconds, and then,
turn off automatically.
Charge the case--Please charge the case via the Type-C cable. The
blue indicatior will keep flashing while charging. If only the first
indicator lit, it means 25% charged, all four indicators will be lit once
fully charged.
Parameters
Chip: BT 8832
Bluetooth Version: 5.0
transmission frequency: 2.4GHz
Earbud Battery: 40mAh
Charging box: 400mAh
Recharging: 4~5times
Talk time: approx 3 hrs(50% Volume)
Standby time: approx 160hrs
Charging time: approx 1.5hrs
Speaker ：φ 14.2mm*32Ω
Sensitive: 102±3db
Input interface：TYPE-C