The wireless optical mouse MA-WHNB2S from Sanwa Corporation, Japan works without batteries. When compared with standard cord less mouse which uses batteries the Sanwa wireless mouse is light in weight. The mouse pad attached to the USB port of the PC supplies electricity to the circuit inside the mouse. Magnetic field is is generated in the mouse pad which drives the mouse. The Sanwa optical mouse MA-WHNB2S with 800 dpi resolution has the usual left/right and double clicks buttons and is compatible with OS Windows 98/Me/2000/XP/Vista.
The USB 2.0 interface mouse measures 61×113×36mm, the mouse pad 174×250×15mm and comes with 1.5 m cable length.
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