Portable and Lightweight USB 2.0 Cylindrical 7 Port USB HUB with USB Cable (Black) Lightweight and Portable, it's great for travel. It's cylindrical design creates a stable compact form and takes up little space. USB conenctors can be swiveled 90 deg enabling connection from the side instead of top down. No power adapter required, USB bus powered Comes with 1 x 7 port USB Hub and 1 x USB extension cable Supports Windows Vista, Windows XP, 2000, Linux 9, and Mac OS X 10.2 and higher