Staples offers the Logitech M705 Wireless Laser Mouse in Black, model no. 910-001935, for $19.99 with free shipping. That's $5 under our summer mention and the best price we've seen. (It's also a current low by $10.) This right-hand wireless mouse claims to have a 3-year battery life and features a nano-receiver and scroll wheel. Deal ends November 29.