1. Product name: power bank (power charger) 2. Battery type: lithium battery 3. Capacity: 4000mAh 4. Input: 5V 5. Output: 5V2A 6. Charging speed: 1000mA/h for cellphones 7. Input charging time: 3-4h (charge for more than 1 time for iPhone) 8. Input interface: Micro 9. Output interface: USB 10. Indcator:4 LED lights 11. Cycle life: ≥500 times 12. Safety function: protection from over-charge, over-discharge, over-current and shortcircuit etc. 13.Application: for iPhone, iPod, Smart Phones, Digital Camera, MP3,MP4,PSP,NDS etc. 14. Ambient: 1). Working Temperature: -10°C~45°C Relative Humidity: 45~75%RH 2). Storage Temperature: -5°C~30°C Relative Humidity:45~75%RH 15.Other Features: Smart appearance, smart in design, LED light torch function 16. Product Color: Black/Red/Pink/Khaki 17. Product Size: 123*72*7.8mm 18. Product net weight: 100g 19.Accessory: 1 USB cable,1 pcs protection bag