Features
Quickly and effectively solves the low power problem for your phone while on-the-go
Keeps your HTC One/M7 always powered
Supports over-current、 over-voltage、 over-charge、 over-discharge and short circuit protection
Equipped with a stand to enjoy hands-free videos while charging
Lightweight and compact size for ease of carrying
A must-have item for travel and going on business
General Specs 
CompatibilityHTC One/ M7
Capacity3800mAh  
BatteryLithium polymer battery
Input5V 500mA
Output 5V 800mA
Charging Time4.8 hours
Package Details Weight: g
Size: cm