... Micro-usb 4. 7 colors optional External backpy battery for mobile phnoe battery backup for nokia 8210 6600mah--7800mah power bank Specification ... yearCertification CE,FCC,ROHS,MSDS Usage Charge for IPAD,iPhone 4,iphone3G/3GS,iPod touch,iPod classic,iPod,Samsung Galaxy ... TNT or other ways as you require. External backpy battery for mobile phnoe battery backup for nokia 8210 6600mah--7800mah power bank