cheero Power Case for iPhone5/5S 2300mAh [ Made for iPhone ] Apple Certified Premium Rechargeable Extended Battery Case. * "Double your iPhone5/5S battery ! " This product is a case for iPhone5/5S with a built-in battery. With 2300mAh capacity, you will never have to worry about running out of juice again! * " Genuine Lightning connector installed at unbelievable price ! " [ Made for iPhone ] - Apple certifies that this product is specifically designed for iPhone. You don't have to worry about malfunction which may occur when using the products with fake Lightning connector. * "Enjoy your iPhone5/5S charging without Lighting cable" . You can charge your iPhone and this battery case at the same time with use of just one Micro USB cable. This product is also chargeable from other cheero brand external portable batteries. * "Additional charge for your iPhone with one click" If battery is starting to fall, just hit the switch in the back and it will begin charging. Long press the button anytime if you want to stop the charging, and long press it again if you want to restart - it's up to you! * "Detach the battery and use the case separately" This product consists of two detachable parts - iPhone case and Battery case. Battery case is useful, but it might be found heavy sometimes. When not in use, you can detach the battery case easily and use iPhone case part only.