category : mobile accessories 1, size: 142*142*181mm; Weight: 665g 2, Bluetooth version: 5.1; chip: JL AC6965E 3, Battery capacity: 1800mAh; Charging time: about 3 hours 4. Use time: 4-5 hours 5, Horn unit: 57mm; Power: 10W 6, support Bluetooth, TF card, USB (USB/TF card <32G), AUX, TWS and other modes 7, With rhythm light, gradient light, breathing light, surround light and other lighting effects