Romoss Polymos 20 Slim 20,000mAh Dual Output Durable Polymer Power Bank ( White )

Capacity: 20000 mAh. Input: DC 5V, Output: DC 5V / 2.1A, Charging time: 13 hours. Capacity. With elegant and compact design, it is very easy to carry. Plus the large capacity, fast and smart charging and recharging, it is perfect for use on the go. Let it be your ideal travel mate! This is an universal portable charger and compatible with almost any device with 5V input, including mobile phones, tablets, MP3 / MP4, GPS, digital camera, Bluetooth speaker and other USB-charged devices.