Schumacher SL4 4200mAh Lithium Ion Battery Fuel Pack - Colors may vary Fuel pack and backup power for charging portable electronics Includes 2 Amp and 1 Amp duel USB ports and a USB to micro USB adapter Ultra compact scratch-resistant case comes in five colors (random selection) Embedded cables included for charging devices and recharging the battery unit Power button and LED indicators show charging and battery status Colors may vary