Shrih Vertical USB Wired Optical Gaming Mouse(USB, Black Blue)

Vertical Wired USB 5D Optical MouseVertical 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.Ergonomically design,ease the harm of palm joint or muscle for long-time using mouse.Home and Office Use. 5D Optical Mouse. 5V-100mA, On/Off Button,Speed Adjustable.Vertical Shape and comfortable handle feeling. Dimension: L 10.5 cm X 7cm X 10.8cm.Color: Blue Black.