Bestbuy offers Razer - Basilisk X Hyperspeed Wireless Optical Gaming Mouse - Black for $39.99 (orig. $59.99) with free shipping.

Product Description:
Gain a competitive edge while gaming with this Razer Basilisk Xhyperspeed wireless mouse. The 16,000 dpi optical sensor ensuresaccuracy even with the slightest movements, while Hyperspeed wirelesstechnology and Bluetooth connectivity provide seamless connections to awide variety of devices. This Razer Basilisk X hyperspeed wireless mousehas six programmable buttons for customized use.

Thanks Maggie