Logitech's G502 Proteus Spectrum mouse adds RGB LEDs to the mix
 

We just asked for programmable RGB LED lighting on Logitech's G502 Proteus Core mouse in our most recent build log, and the company has answered our call with its G502 Proteus Spectrum. That lighting can be synchronized with other Logitech G devices using the company's Gaming Software utility.

http://techreport.com/news/29532/log...eds-to-the-mix