Best Buy has the Microsoft Sculpt Comfort Bluetooth Mouse, model no. H3S-00003, for $19.99 with Free Shipping for a limited time.

The Microsoft Sculpt Comfort Mouse is ergonomic, made for right-handed use and features a scooped thumb design and a 4-way scroll wheel for easy Web browsing. It has Blue Track technology that allows for more accurate use across a wide range of surface types and Bluetooth for wireless connectivity.