Fangrui Product Details 1.with Heat On Full Top Of Mouse: Can Warm Not Just Your Palm, But Also Your Fingers In The Cold Weather. 2.room Temperature Or 38 Degree Or 48 Degree: 3 Temperature Levels For , Which Can Be Adjusted Accoring To Your Need. 3. 6-button Ergonomic Mouse: Adopts A Symmetrical Design With Textured Edges, It Fits Perfectly With Your Palm, It Provides You With The Feel, Allowing Players To Experience The Most Comfortable Gaming Experience And Let You Fatigue6ft High-strength Braided Fiber Cable, Anti-skid Scroll Wheel, And Red Backlighting 4. 2400 Dpi High Precision Control4-level Adjustable Default: 4 Dpi Levels 800/1000/1600/2400 Dpi, Easily Adjust Dpi Button To Instantly Match Mouse Speed To Different Gaming Scenarios With A One- Button On Top Of The Dpi Gaming Mouse, Excellent Pc And Laptop Computer Mouse. 5.wide Compatibility: Compatible With 10, 8, 7, Xp, Vista, Linux Etc 4 Adjustable Dpi Levels:800/1000/1600/2400 Operating Mode: Optical Ergonomic Design: Bilateral Symmetry Connection: Wired Mou