... etc Plastic shelll. Over charge and discharge protection. Power indication Specifications5000mA capacity USB Port or by AC adapter Compatiable: mobile phones,iPod,iPhone 3G,PSP, MP3/MP4 ... : Black / White or others9. Compatiable: mobile phones,iPod,iPhone 3G,PSP, MP3/MP4 player,NDS,PSP GPS,PDA,etc digital devices. KOMAY Power Bank for mobile phones,tablet pc,camera and others