Furmoresa via Amazon offers the Elegiant Slim Wireless Bluetooth 3.0 Optical Mouse in Black or White for $9.99. Coupon code PIIU5ZE5 cuts it to $2.99. With free shipping, that's the lowest total price we could find by $6. It features an adjustable operation speed up to 1,600dpi, mini on/off switch, and blue LED.

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