Meritline offers the refurbished Logitech M510 Cordless Optical Mouse in Blue, model no. 910-002533, for $17.99. Coupon code "MLCKS21VNL1" cuts it to $13.99. With free shipping, that's $6 under our mention of a new unit from three days ago and $19 less than the lowest total price we could find for a new unit elsewhere. This wireless mouse features a USB nano-receiver and ambidextrous, ergonomic design. Coupon expires after 100 uses.

Note: No warranty information is provided.