Top selling Bluetooth Speaker
IS-440
Product Parameter
Bluetooth version: 5.0
Output power: 5W*2RMS
Battery: 3.7V 18650 cells 1200MAH
Play music: 4 hours
Charging time: about 2 hours
Connection distance: 8-10 meters (barrier-free)
Waterproof grade: grade 4
Material: ABS
Function: BT、AUX、USB、TF、FM
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