HUB 1. upstream USB port; 13 downstream ports; Female DC port available2. Hot Plug n Play; Connect/disconnect your devices without having to restart your computer.3. Connects to printers, scanners, digital cameras, speakers, mice, keyboard, external drives, MP3 players and much more.4. Single power control switch.5. Work seamlessly with all your USB 1.1 and USB 2.0 devices. 1. upstream USB port; 13 downstream ports; Female DC port available 2. Hot Plug n Play; Connect/disconnect your devices without having to restart your computer. 3. Connects to printers, scanners, digital cameras, speakers, mice, keyboard, external drives, MP3 players and much more. 4. Single power control switch. 5. Work seamlessly with all your USB 1.1 and USB 2.0 devices. Save desk space with slim-line design. Supports "hot swapping" of all your USB devices. Lets you monitor port and power status with LED. Features over-current detection and . power adapter 5V/1A Colour:Black Material:Plastic Size:20.3x3.1x2.1cm Package Contents: 1 * HUB Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.