Description: 3-Port USB 3.0 HUB with super speed transfer rate up to 5Gbps Built-in over-current protection to protece both connected devices and the HUB itself from unforeseen power surges. Supports hot swap Plug and Play, no driver needed. Light weight, small size, easy to carry. Backwards compatible with USB2.0/1.1 Specification: USB port: 3 1 upstream and 4 downstream USB port USB type: USB 3.0 Supports High-Speed(5G Mbps),Full-speed(480Mbps) and Low-speed(12Mbps) USB device profiles System requirements: windows XP, vista, win7, for Mac OS (10.X or above). Package Content: Compatible with your windiws,for Mac Os or Linux systems Size: Approx. 100x60x10mm Color: Black Material: Plastic Package Includes: 1x USB 3.0 3-Port Compact Hub Adapter