The K-Tor Pocket Socket 2 is a 10 watt hand crank generator. It produces 120 Volts and delivers it on a standard 120 volts ac socket. It is compatible with all cell phone chargers and most all portable electronics chargers. Just plug in your charger like you would at home and crank and it will charge up your portable device. It is build from sturdy polycarbonate plastic with thick walls to insure high strength and durability. K-Tor stands behind all its products with a one year warranty and a long term service and support team. K-Tor products are designed and manufactured in the USA for long life. It is a highly efficient design with ergonomics in mind that is compatible with all cell phones including all Apple products and will charge almost all portable electronics including hand held radios, mp3 players, dvd players, digital cameras, gameboys, tablets, AA/AAA battery chargers etc. It is essential in emergencies and will allow you to bring your dead cell back to life in a couple of minutes so that you can make that life saving call. It can be used to keep your cell alive on long camping trips, expeditions of visiting places with no or unreliable electricity. K-Tor products charge your devices at the same rate as plugging in a wall outlet at home, the fastest possible. It is the safest solution going through the factory provided wall outlet and have no danger of damaging your device.