This high-performance gaming mouse delivers more precise functionality than ever. Now, customise RGB lighting to match your style and environment or sync to other Logitech G products. G502 Proteus Spectrum; RGB Tunable Gaming Mouse features our most advanced optical sensor with exclusive Logitech-G Delta Zero; technology (PMW3366) for maximum tracking accuracy. Compatible with USB. Includes mouse & turning weights documentation 2-year manufacturers guarantee and full product support. Optical sensor. 11 buttons. Programmable buttons. Scroll wheel. Batteries not included. Manufacturers 2 year guarantee.