Logitech M310 Wireless Optical Mouse (Blue Shards) for $9.99.  Shipping is $2.29 for a total of $12.28 shipped.  Here is a screenshot for your reference.  It features a 6 feet transmission range, a USB nano receiver, and amibdextrous design.  Most places have the wireless optical mouse for about $18.
This deal has expired as it is now out of stock. Congratulations to those able to get in on it.