The mini 4-port USB hub allows 4 devices to transfer data at the same time， especially perfect for notebooks which have only a few ports when you need to attach many USB devices meanwhile. 5Gbps transfer rate brings you high speed experience， improving your work efficiency.  <br><br><strong>Features:</strong> <br>USB 3.0， backwards compatible with USB 2.0， 1.1. <br>High speed data transfer rate up to 5Gbps， saving time. <br>Built-in surge protection keeps your devices safe. <br>Plug and play， no drivers required， easy to use. <br>Sleek aluminum alloy exterior， elegant and durable. <br>Lightweight， slim， compact and portable. <br>System support for Windows 2K/XP/Vista/Win 7， Linux， Mac OS 10.0 or above. <br><br><strong>Specifications:</strong> <br>Power: DC 5V <br>Maximum data transfer rate: 5Gbps <br>Material: Aluminum alloy <br>Color: Golden， rose， silver (optional)   <br>Item size: 10.3 * 3.5 * 1.3cm / 4.05 * 1.37 * 0.51in (L * W * H) <br>Cable length: 11.4cm / 4.48in  <br>Item weight: 39g / 1.37oz <br>Package size: 15.2 * 9.5 * 2.5cm / 5.98 * 3.74 * 0.98in (L * W * H) <br>Package weight: 74g / 2.63oz <br><br><strong>Package List:</strong> <br>1 * USB hub