Optical 800 DPI White USB Type-A Scroll type: Touch Buttons quantity: 2 - High resolution for smooth and accurate cursor handling- Ergonomic design for right and left hander- No hollow spaces for dirt and bacteria to accumulate- Thorough surface disinfection by spray/wipe sanitizing- Easy cleaning process with fast drying time- Suitable for most common hospital disinfectant solutions- Personnel safety: No risk of germ proliferation by submersion cleaning- No re-contamination of open surfaces by polluted cleaning fluids flowing off the mouse- No risk of germ transmission by excess fluids leaking or dripping off the product- No hollow spaces for polluted cleaning fluids to form a nutrient solution and grow bacteria Mouse Certification CE, FCC Recommended usage Universal Scroll Yes Buttons type Touch buttons Buttons quantity 2 Scroll type Touch Movement resolution 800 DPI Movement detection technology Optical Device interface USB Type-A Design Product colour White Operational conditions S