Blueviolet 2200mAh External Battery Pack High Capacity Power Bank Charger 5V 1A output 1.High Capacity, 2200mAh, provides 2 charges for iPhone 4 (with 1420mAh battery). Output: DC 5V/1000mA; Intput: DC 5V/1000mA. 2. Slim, Sleek, Compact, portable and stylish Design. Convenient to carry in your pocket or purse. 3.Package Contents: 1x Power Bank 1 x micro USB Cable 4.Do not work with iPad 4,3,2,1 5. Estimated delivery time:U.S. 9~15 days,EMS light weight, other country 20~30days.