on 16 june 2003, microoptical announced the availability of the sv-6 pc viewer, the first eyewear-mounted display specifically designed for use with mobile personal computers. it was small, ultra-lightweight and highly ergonomic and could connect to mobile computing devices via a vga output. its initial price tag was us$1995. in march 2007, microoptical changed its name to myvu and at ces 2008 it demonstrated the crystal 701, video eyewear which lets the user watch a large virtual screen from 6 feet away and it featured myvu's patented solidoptex® optical system, a vga (640x480) resolution, a cables that allow the user to connect it to mp4 players, dvd players, camcorders, or gaming systems with composite video output and a battery that provides up to 4 hours of video viewing. in may 2008, the crystal was launched at amazon and best buy with the price tag of $300.