Hi, DroidChina friends,
Wowpen-joy 5D 2.4GHz Wired USB Vertical Optical Mouse BLACK
24% off $ 6.99 end on 10th. Jan
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
Using 2.4GHz RF wireless technology
For home or office use, plug and play
The cable length: 1.6m
Operation distance: 10m
Hand dimensions: 180mm
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.
More details, click here