Buy.com offers the Microsoft Wireless Bluetrack Mouse 5000
in Black, model no. MGC-00001, for $20.95
. With free shipping
, that's the lowest total price we could find (outside of the price below) by $9. This wireless mouse features BlueTrack technology (which purportedly works on more surfaces than optical or laser technology), a nano transceiver, up to 30-foot range, and more.
Don't mind an open box? Meritline has it for $19.99 with free shipping