Bluetooth version: 5.0

Output power: 5W*2RMS

Battery: 3.7V 18650 cells 2400mAh

Play music: 7-8 hours

Charging time: about 2 hours

Connection distance: 8-10m (barrier-free)

Waterproof grade: grade 4

Function: Bluetooth/Support USB、TF Card、Audio input /FM Radio/Circularly Charge/TWS Function