Superex&reg; PB-M325WT 5200mAh Power Bank Portable External ChargerCompatible For iPhone Series and More Smart Phones Tablets Color White Electricity saving Rapid charge,With high capacity density but mini size and light weight, suitable for travel , flights ,road trips High speed to charge smart phones,High speed USB can charge the devices full quickly Wide compatible,keep long standby time and remain over 80% capacity left even out of the warranty time High efficience of power conversion.smart PCB design of PB-M325WT will protect the device from the damage of over-discharge , over-charge,over-voltage ,over- current LED Flashlight function.The chip of the PCB with auto-detect technology will let you convinent to use this device