A4C via eBay offers the refurbished Beats by Dr. Dre Tour In-Ear Headphones in Red/Black for $29.95. Apply coupon code "P20FINDYOURTECH" and check out via PayPal for a final price of $23.96. With free shipping, that's $16 under our mention of a refurb from two weeks ago and the lowest price we've seen for these headphones in any condition. (It's $11 under the best deal we could find today for a new set.) They feature a built-in mic and noise isolation. Deal ends May 18.

No warranty information is available, but the seller offers a 30-day return policy. Also, this coupon can be used once per PayPal account within a single transaction.