The Extron VGA SM/6 “Show Me” Control Cable is an optional cable that provides remote input connection and selection for Extron VSW 2VGA A and SW VGA Ars switchers. The cable features a female 15-pin HD connector and a 3.5 mm stereo audio jack for VGA and stereo audio. Operation is simple and convenient — connect the VGA “Show Me” cable to your laptop’s VGA output, and press the “Share” button to share the content of your desktop on the main presentation display. The VGA SM/6 “Show Me” Control Cable is designed for use in collaborative learning and similar applications where computer content is shared within a group setting.
Designed inside a molded VGA connector, the adapter includes a SHARE button on top, along with an Audio jack. It is 6-feet long.
Complete specs are here: http://www.extron.com/product/product.aspx?id=vgasm6&s=5