Inateck Unibody USB 3.0 Hub 7-Port Portable Aluminum Hub with 12V 4A Power Adapter and 5ft USB 3.0 Cable Saves on syncing time with data transfer rates of up to 5 Gbps (The actual transmission speed is limited by the setting of the device connected). Compatible with USB 2.0 and 1.1 specifications Polished aluminium unibody makes it compacted and durable, Palm-size and lightweight design allow you to enjoy your mobile USB working station wherever you go. Easily add seven USB 3.0 ports to your PC, laptops and tablets, eliminating the trouble of switching among devices. No drivers required for Windows 8 / 7 / Vista / XP or Mac OS X 10.8 and above. Built-in surge protection keeps your devices and data safe and supports hot swapping Package contents: Inateck USB 3.0 7-Port Aluminum Unibody Hub, USB 3.0 cable (About 5ft), 12V/4A power adapter