- Material: ABS; Size: 188 * 78 * 78mm; Weight: 530g-2. Bluetooth 5.4; Chip: JL AC6965E-3. Battery capacity: 1200mAh; Charging time: 2 hours-4. Usage time: 3 hours-5. Speaker unit: 52mm * 2; Power: 5W * 2-6. Supports Bluetooth, FM, TF card, USB flash drive, AUX, TWS and other modes