Today, Dec. 17 only, Amazon is offering up to 60% off select Logitech PC & Tablet Accessories. One great sale is this #1 Best Seller Logitech Wireless Trackball for the lowest price it’s been of $20.25 (regularly $59.99). Shipping is free with a $35 order or get FREE 2-day shipping Amazon Prime. Even better, Amazon Prime Members can choose free no-rush shipping and score a $1 credit for eBooks, digital videos, and more.