1. Battery: Lithium 3.7V/400mAh
2. Working time: 3-4 hours
3. Standby time: 500 hours
4. Charging time: 3 hours
5. Frequency response: 20 – 20 000 Hz
6. Speaker impedance: 32 ohm
7. Speaker size: 40 mm
8. Bluetooth frequency: 2402MHz～2480MHz
9. Transmit range: 10 meters
10. Chip: CSR
11. Bluetooth version: 3.0
12. 1pc USB charging cable and 1pc 3.5mm audio cable
Product size: 62mm（D)x51mm(H)
Weight: 0.18kg