With this Powertech Slim Powerbank, you can charge your smartphone, tablet, smartwatch and other portable devices while on the go without worrying about running out of power. Its small and slim design makes it easy to slip into your pocket.

Specifications:
• Internal battery: LiPo (Lithium Polymer)
• Input: Micro USB: 5V 2.1A (100mm Lead Included USB A to Micro B) 
• Output: USB A 5V 2.1A