Griffin 3026-SSUSB SmartShare USB (Black) Perfect for travelers and road warriors, adds an extra USB port to your laptop Connect and charge your iPhone, iPod or other USB-charged device USB 2.0 (compatible with earlier versions) transfers data at speeds up to 480 Mbps Connect a keyboard, mouse, Griffin PowerMate or other peripheral to one port as you charge and sync your iPod, or transfer the contents of a memory card or stick from the other. Ideal for MacBook Air and other slim laptops