Extends the battery life of your iPhone for hours and provides a comfortable ergonomic design with the complete protection of a hard shell case - all in an ultra-thin, light weight, low profile designUp to 1900mAh capacityLED indicator for remaining battery powerUSB-micro data cable includedUnique

Extends the battery life of your iPhone for hours and provides a comfortable ergonomic design with the complete protection of a hard shell case - all in an ultra-thin, light weight, low profile designUp to 1900mAh capacityLED indicator for remaining battery powerUSB-micro data cable includedUnique switch design, control the charging start at any timeCapacity: 1900mAh Input/Output Voltage: 5VOutput Current: 500mAStandby Time: Up to 230 hoursTalk Time: Up to 6 hoursInternet Use: Up to 5.5 hours on 3G & Up to 8 hours on Wi-FiAudio Playback: Up to 30 hoursVideo Playback: Up to 8 hoursHow to Use: Slot in iPhone, Switch on button on battery pack, Close the roof cover.