Scoche Magic Mount Power Bank Backup Battery - Micro USB

Powerful 4,000 mAh rechargeable Lithium-ion battery allows a fully drained smartphone to be charged up to 2 times.
2.1 amp output gives you the ability to charge smartphones and tablets.
Power and convenience are packed into a surprisingly small size.
Usage Application: Mobile phone, Smartphone, Tablet, etc
Easily fits in your hand or slips into your pocket.
Four blue LED lights let you know just how much battery life is left.
Use your device while charging.
Safe and easy one-handed use.
The high-power neodymium magnets are safe and will not damage your device