As one of its daily deals, Amazon offers Prime members the Logitech M510 Cordless Optical Mouse in Black, model no. 910-001822, or Deep Blue, model no. 910-002533, for $14.99 with free shipping. (Non-members can spend over $35 for free shipping; otherwise, shipping adds $8.28.) That's tied with our winter mention as the best price we've seen for this mouse. (It's a current low by $12.) This wireless mouse features a USB nano-receiver and ambidextrous, ergonomic design. Two AA batteries are included. Deal ends today.