Features: brand new and high quality Ergonomically designed, optical tracking technology, working on many different surfaces and for home, office or game. 2.4Ghz usb wireless mouse, comfortable for touch. RGB light and auto sleep design, adjustable DPI:800-1200-1600 Plug and for play mode, no need driver Human Design will make your wrist comfortable when using mouse. Specifications: Type: Wireless Vertical Mouse Version:Right hand Design Color: White / Pink/ Black/ Gray Applicable model: Desktop Computer Photoelectric resolution: 2400dpi Number of buttons: 6 (Left/Right Buttons, Forward/Backward Buttons, DPI Buttons, Scoller) Interface: USB Wireless transmission frequency: 2.4GHz Whether ergonomics is supported: Yes DPI:800-1200-1600-2400 Adjustable Operating distance: 10m/32.8ft Roller direction: four-way roller Product size: approx 103x89x69mm/4.05x3.5x2.7in Product weight: 0.15kg Note: Due to the light and screen setting difference, the item color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package includes: 1 PC x Vertical Mouse