Connect more USB devices to your PC or notebook with this 7-port USB 2.0 Hub! It supports up to 480 Mbps data transfer rate and is ideal for alleviating desktop clutter! Connect USB devices such as a Webcam, mouse, Printers, Scanners and more Support data speed:1.5 or 12 or 480Mbps Hot-swappable plug and play connection Daisy-chain connection of up to 127 devices Specifications: Type:hub Transfer Rate:480Mbps Standards:2.0 Ports:7 USB ports Adapter Voltage: 5v Output Current: 400mA Adapter interface:5.5 mm(0.2inch) System Support:Not Support OS X USB cable length:50cm or 19.68in Dimensions:81x x24mm(3.2x1.8x0.9inch) Weight:131g or 4.62oz Color:Sliver Specifications: Connect more USB devices to your PC or notebook with this 7-port USB 2.0 Hub. It supports up to 480 Mbps data transfer rate and is ideal for alleviating desktop clutter. Connect USB devices such as a Webcam, mouse, Printers, Scanners and more Support data speed:1.5 or 12 or 480Mbps Hot-swappable plug and play connection. Daisy-chain connection of up to 127 devices. Package Included: 1 x host 1 x power 1 x USB cable Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Thanks for your understandings.