Picked up this battery charger when Amazon had it on sale for around 30 bucks. Device came attractively packaged and fully charged. The battery life on this is amazing, and the 2A output port charged my phone and my 3DS completly during a recent road trip, and still had enough charge for another round. The input to charge the device is Micro-USB, which is pretty much the standard now a days. It does come with a 3' USB to Mini-USB cable, but it will accept any USB cable (especially those proprietary Apple USB cables) as output. Embedded into the device is a red laser pointer, which can be used to get your cat out of the room, and a flashlight to look for your cat when his scared little butt runs and hides under the sink after a thunderstorm or a vaccuum attack. Simply holding down the button cycles through turning the device on, then the flash light on, then the device off. A quick press ignites the laser pointer.