Features: Upgraded ergonomic design, waist argyle pattern to prevent your palms from sweating after holding for a long time, vertical mouse fit palm and fingers, reduce the discomfort of use, goodbye “mouse hand”. 3 adjustable DPI (800-1200-1600DPI), easy to switch, adapt to various material surfaces, accurate and reliable location, to meet your daily office needs. Powerful optical engine provides accurate click, fast response and stable signal. Exquisite surface treatment, feel comfortable. USB power supply, plug and play, easy to use. Specification: Type: Vertical mouse Color: Black Connection mode: USB cable Key number: 6 DPI:800-1200-1600DPI Item size: 1387568 MM/5.432.952.68 inches Weight: About 122g System support :Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, Mac OS, Windows ME, Windows 8, Windows 10, etc Packing list: 1 * Mouse
