4 adjustable DPI levels:800/1000/1600/2400 Operating mode: Optical Ergonomic design: Bilateral symmetry Connection: Wired Mouse connector: USB Lifelong Clicks: 5 Million Compatibility:Windows7/8/10/XP,Vista7/8, Linux & OS(Side buttons are .) Keys Quantity: 6 Buttons (Included scroll wheel) Cable length: 1.5m Due to different batches, the appearance, color, and printed words of the product , which does not affect its use. Colour:black Material:plastic Package Contents: 1 x Heated Gaming Mouse Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 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. 5.Wide COMPATIBILITY: Compatible with 10, 8, 7, XP, Vista, Linux etc 3. 6-button ergonomic mouse: adopts a symmetrical design with textured edges, It fits perfectly with your palm, it provides you with the perfect 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 control&4-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-press button on top of the dpi gaming Mouse, excellent PC and laptop computer mouse.