Specification:

1. Shell Material: front: plastic; back: stainless steel

2. Built-in Batteries: 4000mAh/3.7V

3. Built-in intelligent IC and multi-protection,for over-charge, over-discharge, over-current, short-circuit and temperature

4. Input Current: 900mA; Output Current:800mA

5. Input Voltage: 5V ; Output Voltage: 5V

6. Input Current: 900mA; Output Current:800mA

7. Rechargeable up to 500 cycle times;80% above power available transfer

8. Charging time: 4-5h

9. Discharging time: 3h

10. Size: 116x65x7.9mm

11. Color: White, Red, Pink