Rectangular shaped power bank with corded split ring from 2000 mAh Lithium-ion battery. Output - DC 5V / 1A (USB), Input - DC 5V / 750 mA (Micro USB). Built in IC chip prevents overcharging & short circuit. Charge time 2-3 hours, battery cycle life greater than 500 times. Includes USB to Micro USB cable and user manual. It can be used to charge most smartphone including iPhone, Samsung Travel pouch available on request. Material: ABS.