Amazon offers its Prime members the Logitech MX Wireless Mouse, model no. 910-002896, for $29.99 with free shipping. (Non-members can spend $35 to bag free shipping; otherwise, shipping adds $8.45.) That's tied with our August mention and the lowest total price we could find for a new one by $5. It features dual side buttons, laser tracking, and a Logitech unifying receiver. Deal ends today.