Bluetooth Version 5.0
Battery capacity earphone 40mAh charging compartment 400mAh with protection board
Horn: graphene horn 6mm
Effective distance: ≥10M
Music time: ≥5hrs
Standby time: 15 days
Charging time: earphone ≤ 1 hrs, charging case ≤ 3 hrs
Caller number: support
Power display: support
Shell material: ABS/rubber oil
Product color: white, black [customizable]