Features: 1 upstream and 4 downstream USB port. 4-port USB 3.0 hub with super speed transfer rate up to 5Gbps. Backwards compatible with USB 2.0 & 1.1. Supports hot swap. Built-in over-current protection to protect both connected devices and the hub itself from unforeseen power surges. Plug and Play, no driver needed. Light weight, small size, easy to carry. With power interface, can connect external power supply.Meet the demand of large power equipment Support Windows2000/XP/ME/Win7/VISTA or Linux2.4/Mac OS 10.2 above USB Ports: 4 USB type: USB 3.0 Color: Black & Blue Material: ABS Cable Length: Approx. 55cm Hub Size: Approx. 105mm*35mm*20mm Package includes: 1x USB 3.0 Splitter Hub with Switch 1x USB 3.0 Cable