"Specification
Material: ABS + mesh
Bluetooth Version/chipset: JL5.4
Supported protocols: HFP, A2DP, AVRCP
Transmission Distance: 10M
Working Voltage: 3.7V
Impedance: 4Ω
Speaker Power: 20W
Battery (mAh): 3.7V / 4000 mAh
Charging Time: Approx. 3H
Calling: ≈4 hours
Music Play: Approx. 4H
Standby: Approx. 180 DAYS"
01080107GY