● Bluetooth solution: JL 5.0
● Output power: 5W
● Speaker: 4' 4Ω5W
● Distortion : more than or less than 15%
● Signal to noise ratio: 90dB
● Waterproof rating: IPX5
● Working voltage: 3.7 V
● Charging current: 150mA
● Battery capacity: 1200mah 18650 dual protection
