Specification: * Bluetooth version: 5.4 chip: JL AC6966
* Capacity: 1800 mAh
* Charging time: 3 h
* Working time: 3 h
* Speaker: 52 mm
* Power: 5 W
* Size: 105 ? 105 ? 128 mm
* Weight: 470 g
* Support: Bluetooth, FM, TF card, USB flash, AUX and others
