1. Built-in 3.7V/150mAh lithium poly battery
2. Working current: 45mA
3. Charging voltage: 5V
4. Charging current: 100mA
5. Charging time: about 2 hours
6. Product size: 6.5x4.3x1.5cm
2. Working current: 45mA
3. Charging voltage: 5V
4. Charging current: 100mA
5. Charging time: about 2 hours
6. Product size: 6.5x4.3x1.5cm