Stylish miniature 4 port USB 2.0 Hub with integrated cableSpace saving design - ideal for use with desktop and notebook computersEasy "Plug & Play" installation and operation4 downstream ports with automatic connectivity and speed detectionBus powered from the computer, or self powered using an optional power supply (Part No. 70219)Compatible with all USB 2.0 and USB 1.1 enabled computers and devicesDimensions: 40 x 70 x 25mm (WxDxH)If you have a USB 1.1 interface in your PC or Mac, this hub is fully backwards compatible, allowing you to use your existing peripherals whilst remaining 'future proof' when you upgrade to a high speed USB 2.0 interface.