Jelly Comb via Amazon offers its Jelly Comb Wireless Mouse in several colors (Black pictured) for $6.99. Coupon code "9LY7KYKD" cuts it to $4.96. Plus, Prime members receive free shipping. That's $2 under our July mention and the lowest price we could find by $2. It features an adjustable DPI of 800, 1200, and 1600. Deal ends December 20.