... , digital cameras, MP3/MP4 player and other similar products. 1. Suitable for mobile phones, digital cameras, MP3/MP4 player and other similar products ... the backpack.Specifications1. Lithium polymer battery 1450 mAh/3.7V2. Shell: ABS+PC material3. Solar panel: 5.5V/75mA4. Adapter: ... 5.0V 500mA5. Output: USB 5.5V/500mA6. Variety using: mobile phone, digital camera, ipod, iphone, psp, MP3/4 etc.7. ...