Targus AMB04US Bluetooth 3-Button Notebook Mouse Optical Scroll Mouse - $8.50 + 3.99 s/h @ Tanga.com(must login with Tanga account)

Targus 3-Button Bluetooth Notebook Optical Scroll Mouse [Model# AMB04US]
$8.50 + $3.99 s/h = $12.49

** You must have a Bluetooth enabled Desktop or Notebook PC **

Please Note: You must have an account at Tanga or create one for free(very easy to do) and login to see the price.

Not the best reviewed mouse out there but for $12.49 shipped I'll bite...
$33.99 at Newegg but iffy feeback review... [newegg.com]

"This portable, wireless mouse features a 3-button scroll wheel layout and precise optical technology to guide your cursor on point. With Bluetooth technology, the AMB04US has a wireless range of up to 33-feet. It also allows convenient cursor speed adjustment between 1600 and 800 dpi, an ideal feature for widescreen laptops. When not in use, simply turn it off or put it in sleep mode to save batteries."

Features
Gray/charcoal color scheme
Wireless Bluetooth technology
Connects within a 33-foot range
Adjustable cursor speed (switch between 1600/800 dpi)
Sleep mode and on/off switch to extend battery life
3-buttons
Scroll wheel (acts as 3rd button and dpi switch)
Rubber grips
Operates on two (2) AAA batteries (included)
Lead-free
Unit Dimensions: 1.4 × 2.1 × 4.1-inches (H x W x D, approximate)
Weight: 2.4 oz
Specs
Condition: New
Warranty: 90 Days
Package Includes:
Targus AMB04US Optical Bluetooth Laptop Mouse
Two (2) AAA batteries
User Guide
Product Requirements:
Windows 7, XP, Vista, 2000 SP4
Mac OS X v10.4 or later
Bluetooth-enabled PC or Mac computer