For MP3 players and other devices that get their power through USB. Plug your device s USB cable in and charge from almost any vehicle cigarette lighter or 12 volt accessory socket with this low-profile micro form-factor PowerJolt.Charges Sansa Creative Zune Samsung iPod iPhone and most other MP3 players and devices that charge via USB.Griffin Technology began designing and manufacturing technical solutions with an innovative flair in 1992. They have since grown to bee one of the largest providers of accessories for personal puting and digital media. Griffin's approach has given birth to some of the best known accessories in the digital entertainment and personal puter markets including the iTrip family of FM transmitters and the groundbreaking Evolve Wireless Sound System. Today Griffin designs manufactures and delivers useful and fun solutions for digital entertainment and personal puting to people in the Americas Europe and Asia through major retailers and online. Features Works in your vehicle’s cigarette lighter or 12 volt accessory socket Charge 2 USB devices at the same time SmartFuse™ circuit-breaker protection means no fuses to replace Super pact form factor