Fast Charging Technology: 
2.1 Amps output max, supports you charge 3.5 times for iPhone and twice faster than normal 1.0A input backup charger,saving your time.
 
Portable Mini size (1.2*5.5*1.6 inches) but high capacity 6700mAh, easy to taking for working, traveling, flights, business trips or any time you're away from an outlet.
 
Intelligent Safety Protection - Supports over-charged, over-discharged, over-voltage, over-current and short circuit protection and will automatic shutdown if a short circuit or overload output occurred while unit is charging.
 
Compatible for: 
 
6700mAh portable charger with 2.1A output provides high speed charging for Apple, iPhone, iPad, Samsung Galaxy, Google Nexus or other tablet and smart phone.
 
Package Included: 
 
6700mAh External Battery Pack x1; 
Micro USB Cable x1; 
User Manual x1.