The GME228BW6 Bluetooth Laser Mouse from IogearĀ® features product protected antimicrobial Nano Coating built in to protect the product from bacteria surviving on its surface. It uses VCSEL (Vertical Cavity Surface Emitting Laser) as the light source, which provides 30x tracking power. VCSEL allows the mouse to work on virtually any surface, including glass. It provides a high resolution of 1600 dpi, substantially reducing the amount of injury-producing hand and arm movement, making it an ideal tool for medical offices, libraries and schools as well as for mobile professionals, gamers and desktop users. • Offers 1600 dpi laser sensor resolution and 800/1600 dpi adjustable resolution • Ergonomic and contour design good for both right and left hand users • Contains antimicrobial properties built in to protect the product from bacteria surviving on its surface • Operates on most surfaces without the need for a mouse pad • Works up to 33 ft from your notebook or desktop • Light and very portable making it great for mobile professionals • Power on/off switch conserves electricity for maximum battery life • Connectivity Technology: Wireless • Interface: Bluetooth • Max Operating Distance: Up to 33 ft • Movement Detection Technology: Laser • Movement Resolution: 1600 dpi • Features: Scrolling wheel, switchable resolution • Requires 2 AAA Batteries • OS Required: Microsoft Windows 98SE/2000/ME/XP, Apple MacOS X 10.3.5 or later, Microsoft Windows Vista • Manufacturer Warranty: 3 years warranty