This charge hub adapter provides 7 USB 2.0 port for charging. Build-in over-current and short circuit protection device. Computer auto identify, no need with any drive, plug and play. Supports for Windows 98/95/ME/2000/XP/Vista, for Mac 8.6 or later. LED light with individual switch, safer and more convenient for use. Item Name: 7 USB 2.0 Charge Hub Material: Plastic USB Interface: USB 2.0 Maximum Rate: 480Mbps Working Voltage: 5V Working Current: 500mA Working Temperature: -20 to 75 Centigrade Storage Temperature: -40 to 85 Centigrade Features: 7 Ports, USB 2.0, Individual Switch, Plug and Play, Safe Charge Size: 90mm x 45mm x 10mm/3.54"; x 1.77"; x 0.39"; (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x 7 USB 2.0 Charge Hub