Macally 4 Port Powered USB 2.0 Hub with 5V 2A Power Adapter & 5 foot long Cable (TriHub4) Connects up to 4 USB devices (Portable Hard Disk, Flash Drive, Webcam, MFP, Printer, Scanner, Mouse, Keyboard, Bluetooth Dongle and many others) Triangular shape takes up minimum desk space and keeps your desktop organized and tidy Tilt ports are easily accessible Silicon mounting pads at the bottom to hold the hub upright Comes with a 5V / 2A power adapter to ensure high-powered devices (like external Hard-Disk or Optical-Drive) to have CONSTANT & STABLE CONNECTION !! 5 feet long USB cable runs from the hub to your computer tower on the ground USB 2.0 high-speed interface, supports data rates of 1.5 / 12 / 480 Mbps Plug-and-Play / Hot-Plugging / Driver Free for Mac & PC