Wowpen-joy 5D 2.4GHz Wired USB Vertical Optical Mouse BLACK

5D 2.4GHz Wired USB Vertical Optical Mouse BLACK Specifications: Ergonomically design, ease the harm of palm joint or muscle for long-time using mouse Button: 4 buttons in default / 1 scroll wheel ( middle button ) 2000 DPI resolution available For home or office use, plug and play The cable length: 1.6m Operation distance: 10m Hand dimensions: 180mm Features: This is a truly ergonomic mouse, vertical design, natural stretch of the wrist, arched back combined. With curved mouse ring design, contoured to hand in most natural state, to reduce hand fatigue Package included: 1 x Vertical Optical Mouse Pictures presentation: