Bluetooth 5.1; Chip: JL AC6965E
Battery capacity: 1200mAh, charging about 1.5 hours
Use time: 2 hours
Speaker: 45mm * 2; power: 5W * 2
Size: 180 * 68 * 68mm; Weight: 375g
Support Bluetooth, FM, TF card, USB, AUX, TWS and other modes
Knob adjustment for volume