The free gift only can be used to charge.But Cannot synchronize data5000mAh solar charger external battery power bankBuild-in 5000mAh lithium polymer batterySuper waterproof and dustproof.Strong shockproof and drop resistance.With dual USB and micro USB ports.Emergency LED torch、 the LED flashlight works perfectly in darkness、 especially for emergency.4 LED status of charge indicators indicate the charging and discharging processEnvironmentally friendly silica gel and ABS+PC materials、 and rubber paint surface processCompact、 portable & stylish design.Specifications:Battery Capacity: 5000mAh Li-polymer batterySolar panel: 5V、 200mAPower: 4WInput: DC 5V/ 1AOutput: DC 5V/ 2 x 1AProduct size: 142* 75*13.6mmOperation Temperature: 0-45 degreeWeight:140 gCompatible: for iPhone、 iPad、 Android phone、 GPS device、 camera (most devices that use a USB cable to charge).Color:Yellow