Ebay offers JLab - EPIC Wireless Bluetooth Mouse 2 - Wireless - Black for $29.99 (reg. $59.99) with free shipping. 

Product Description:
The Epic Mouse 2 delivers pro-level performance, increasing productivity with serious functionality. With its Infinity + Tilt scroll spreadsheets will beg for mercy, creative software will bend to your will, and lengthy websites will be a breeze. Brilliantly engineered with an ergonomic and silent click eight-button design, its an epic addition to any work setup. Leverage JLab Work app to customize button function and save up to three user profiles so switching is as easy as clicking send.