Meritline offers the manufacturer-refurbished Logitech M505 Wireless Laser Mouse Red, model no. 910-001326, for $15.99. Apply coupon code "MLCK910TNL1" to drop it to $11.99. With free shipping, that's tied with our December mention of a refurb and $20 under the lowest total price we could find for a new unit today. This 2.4GHz wireless mouse features a unifying receiver which can support up to six compatible devices. Deal ends September 12 or after 100 coupon redemptions. A 90-day Logitech warranty is included.