This power cable is a sync and charge cable for your smartphones. A double insurance for your cell phone back up devices. Slim, easy-to-use design. Up to three hours of battery life. 20 minutes charge for a ready-to-go experience. No bulk, always stays powered once you sync and charge. A lifesaving tool, auto back-up capacity, ready for using in any emergency situation. A cheap and affordable solution to increase smartphone proficiency. Two versions of the power cable supporting iPhone as well as micro USB devices.