Meritline offers the refurbished Logitech M510 Cordless Optical Mouse, model no. 910-001822, for $18.99. Coupon code "MLCK720ENL1" cuts it to $14.99. With free shipping, that's a buck under our mention of a refurb from a month ago and the lowest total price we could find by $3. (For further comparison, we saw a new unit for pickup for just $3 more in January). This wireless mouse features a nano-receiver, ergonomic design, and more. Two AA batteries are included. Coupon expires July 21 or after 100 uses.

Of note, no warranty information is available.