Specifications: Material: Frosted surface coating with skin-like material & soft rubber scroll wheel Color:Balck Dimensions：119*39*67mm Weight:140g 4 adjustable DPI levels:800/1200/1600/2400 Operating mode: Optical Ergonomic design: Bilateral symmetry Connection: Wired Mouse connector: USB Lifelong Clicks: 5 Million Compatibility:for Windows7/8/10/XP,Vista7/8/Linux & Mac OS(Side buttons are not available.) Keys Quantity: 6 Buttons (Included scroll wheel) Cable length: 1.5m Features: With heat on full top of mouse, it can warm not just your palm, but also your fingers in the cold weather. Room temperature or 38 degree or 48 degree, 3 temperature levels for your choice, which can be adjusted accoring to your need. The 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 get rid of fatigue6ft high-strength braided fiber cable, anti-skid scroll wheel, and red backlighting. 2400 DPI high precision control&4-level adjustable default 4 DPI levels available from 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. Wired mouse compatible with for Windows10/8/7/XP/Vista/Linux etc. Package Included: 1* Wired Heating Mouse Note: 1.Please allow slight size deviations due to manual measurement,measuring methods and tools. 2.The picture may not reflect the actual color of the item because of different photographing light and display monitor.Thanks for your understanding. With heat on full top of mouse, it can warm not just your palm, but also your fingers in the cold weather. Room temperature or 38 degree or 48 degree, 3 temperature levels for your choice, which can be adjusted accoring to your need. The 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 get rid of fatigue6ft high-strength braided fiber cable, anti-skid scroll wheel, and red backlighting. 2400 DPI high precision control&4-level adjustable default 4 DPI levels available from 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.