Features: Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. Silent Click: Special soundless design for the right and left buttons, help you build a quiet atmosphere without disturbing others. 800 / 1200 / 1600 DPI Resolution Optical Tracking Technology provides more sensitivity than standard-optical mice for smooth and precise tracking on a wide range of surfaces. Added next/previous buttons provide convenience when webpage browsing; the superior choice for internet surfering, gamers and people who work at length at the computer. for most system including for Windows 7 / 8 / 10, XP, Vista and Linux. Fit for Notebook, PC, Laptop, Computer, and other device. Specifications: Material: Plastic Color: Black, Silver (optional) Size: About 104x60x76mm/ 4.09x2.36x2.99in Wireless Technology: 2.4G Wireless Distance: 10m for Key Number: 6 Resolution: 800/1200/1600dpi Operating Cycles: 1,000,000 Cycles Battery: AAx1 ( Not included ) Note: Please allow 1-2cm errors due to manual measure. Pictures may not reflect actual color due to the different monitors. NotfullycompatiblewithAppleproducts. Package includes: 1x Wireless Mouse 1x USB Receiver 1x Manual