Meritline offers the refurbished Logitech Cordless Ergonomic Desktop Wave Keyboard and Mouse Combo, model no. 920-000264, for $34.99. Coupon code "MLCKW01FNL1" cuts the price to $27.99. With free shipping, that's the lowest total price we could find by $7 for a refurb. Features include a contoured palm rest, programmable hot keys, and a purported 15-month battery life for the keyboard and 6-month battery life for the mouse. Coupon expires after 100 uses.

Of note, no warranty information is provided.