Mobile Power Card&reg; 1020mAh External Portable Mobile Battery Charger Suitable for iPhones & All Mobile Phones, Tablets, MP3 & MP4 with Micro USB Credit card size design, portable and slim enough to put into a wallet or purse. Only 6mm deep. Built in retractable Micro USB & iPhone Lightning plug compatible with smartphones, tablets, MP3 MP4 & smart watches. Includes Micro USB 30 pin iPhone adaptor, User manual & USB cable to charge the power card. Simply plug into your PC USB port or a 5.0V-500mA USB wall power adaptor to charge the power card (USB adaptor plug not included). LED lights to indicate battery power level. Can be used while on the move. Just plug & go!