- Material: ABS+silicone+metal mesh; Size: 200 * 87.5 * 77.5mm; Weight: 855g-2. Bluetooth 5.4; Chip: Blue trum AB5606P-3. Battery capacity: 2400mAh; Charging time: 2.5 hours-4. Usage time: 4 hours of music, 15 hours of talk time-5. Speaker unit: 52mm * 2; Power: 8W * 2-6. Supports Bluetooth, TWS, FM, USB flash drive, TF card, AUX and other modes