Perfect Solution for power anywhere. Slim lightweight design packed with energy to make life easier & convenient at home or on the go. Slim design uniquely made to carry everywhere including pockets, coats, purse, or simply in hand. 15000 mAh ensures your device has plenty of backup battery to re-power your device via USB output. Charge almost any device that is USB compatible. Product includes Micro USB cable to recharge via ANY USB outlet. Built in LED display shows how much power is available for use.