MT-1A2B-CF 2-Port USB Peripheral Switch allows 2 computers to share the same USB peripheral sxample : printer, scanner and modem, under the foundation of one-at-a-time. Users can switch the computer controlling the peripheral from the reliable electronic button. Feature: Enables two computers to share a single USB peripheral device. Electronic switching to select the active PC. Both PCs and Macs can connect up at the same time. USB2.0 compatible. Bus powered. Hot pluggable - USB devices can be plugged in and removed without having to reset the system. OS Support:Windows 2000, Windows XP, Windows Vista, Win7, Mac Color: Black Package Content: 1 x MT-VIKI 2 PORT Sharing Switch MT-1A2B-CF (Note 1: Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time Note 2 : This unit does not include any USB Cables. If you need USB cables, click : USB AM-AM, USB AM-BM