Griffin PowerBlock AC Charger for Sansa View, Fuze, Connect, Express, Clip, iPhone 4, iPhone 5, iPod Touch 2nd 3rd 4th 5th Generation Usb Devices & More Charges MP3 players from iPod and Zune to players from Creative, Samsung, and most other devices that charge via USB Smartphone compatible: works with iPhone, Motorola Droid, Palm Pre, most BlackBerry models and other smartphones that charge via USB 5 watts of charging power USB port Works with AC outlets from 100 to 240 volts Compact for travel with fold-flat blades