12000mah portable power bank

1) Portable mobile phone power bank
2) Battery backup and charger
3) Colorfull and portable
4) 12 months warranty
5) Dual USB

Features:

1) High capacity battery, High efficiency output.
2) Intelligent MCU controller, checking remained capacity automatically before charge.
3) Overcharge,over-volt and short-circuit protect.
4) Long battery lifespan, more than 500 times recharging cycles.
5) All function operate by one button.
6) Auto power off, make better use of battery energy.
7) Compatible for all usb 5V device
8) Colorfull to reveal elegant temperament.