Memory Express Computer Products Inc. - The Logitech G G502 Proteus Spectrum RGB Gaming Mouse allows you to adjust the RGB lighting up to 16.8 million colours, and includes 16 programmable buttons,
Logitech G502 Proteus Spectrum RGB Tunable Gaming Mouse, 12,000 DPI On-The-Fly DPI Shifting, Personalized Weight and Balance Tuning with (5) 3.6g Weights, 11 Programmable Buttons - NWCA Inc.