1. Upstream USB port; 13 downstream ports; Female DC port provided2. Hot-swappable; connect/disconnect devices without restarting computer.3. Connect printers, scanners, digital cameras, speakers, mouse, keyboards, external drives, MP3 players, etc.4. Single power control switch.5. Work seamlessly with all your USB 1.1 and USB 2.0 devices.[Save desktop space with ultra-thin design. ]Supports "hot-swappable" for all USB devices.Lets you monitor port and power status with LED.With over-current detection and safety function.Power Adapter 5V/1A[Color] White[Material] Plastic[Size] 20.3x3.1x2.1cmOnly the above package contents, other products are not included.Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowable error is +/- 1-3cm.