Features: XYH19 Macro-programmable RGB-light effect mechanical mouse, 8 function keys, bring you almost no delay gaming experience, cxcellent response speed and reliability. It conforms to the ergonomic designed, fit the curves of hand, comfortable to hold, even if used for long hours you will not feel fatigue. The DPI four gear sensitivity is adjustable, 1000-1600-3200-6400(default), allowing you to browse the webs, work or gaming at will. Fashion electroplating process, the metal bottom housing has a delicate texture and smooth movement, making it easy to use. Universal USB interface, wide compatibility, insert and use, suitable for PC laptop, desktop computer, keyboards computer and more. Specifications: Material: Metal Color: White, Black(optional) Size: Approx. 12.5x7.3cm/4.92x2.87inch Model: XYH19 Number of Keys: 8 Working Modes: Optical tracing Product Interface: USB Rated-voltage: 5V Rated-current: 100mA DPI: 4 Step DPI, 1000-1600-3200-6400 Light Effect Type: Colorful Move Speed: 30inch/second Note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different display resolution. Package includes: 1pc XYH19 Gaming Mouse