Swedish company Swedx offers wooden wireless optical computer mice.
The Swedx optical mouse has a 800dpi resolution and measures 122x65x36mm. The swedx wooden wireless mice cost about $95. They also offer wired mice, which cost about $60. Besides mice, Swedx also makes wooden keyboards and LCD screens.
More details on Swedx site.
See also Japanese OwlTech wooden LCD Monitors.
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