USB Travel Charger for iPhone 4S and iPod . Charge your iPhone 4S or iPod from your 100-220 V AC wall power source by connecting the dock cable. In addition you can plug other USB devices into it while charging your iPhone 4S or iPod thanks to the USB port built right in. It is designed to keep your iPhone, iPod and USB devices charged at home, at the office or when you’re on the go. Available in two different colours: black and white, personalized thanks to the PURO logo printed on the surface. These chargers are not Apple Certified.