HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Features: One button swapping between 2 computers. Convenient efficient 2 computers share 4 USB devices plug and play. Keyboard mouseUSB printer scanner curve plotter multifunction printer Bluetooth equipment and other USB devices can be used with 2 computers which saves money and time. Devices like HDD and Digital Video Cameras might need external power to running. Please make sure use 5V Adapter for powering while using high power device Plug and play for Windows 10/8.1/7/Vista/XP and Mac OS X Linux and Chrome OS. Specification: Colour: Black Size: 118 x 56 x 16mm Interface Type: USB 3.0 Ports: 4 : USB 3.0 Switching mode: Key Power supply port: Micro USB 5V (excluding power supply line) Product gross weight: 260g Function: 2 computers share 4 USB devices Support system: for Windows MAC Vista Linux and other systems and can be used without installing drivers You will receive: 1x USB Switcher 2 x USB A to A Data Cable (150cm)