The VIA Pad is an optional touch pad accessory for the VIA product line that enables users to easily present their laptop screen on a main display.\n\n&162; Easy Plug & Play Connection " Over standard USB (Universal Serial Bus).\n&162; Status LED Ring " Indicates active standby pause & do not disturb status.\n&162; PC System Compatibility " Mac & Windows 7/8/10.\n&162; VIA Compatibility " Ver 1.8 & onwards.