As one of its daily deals, ThingFling offers the refurbished Acoustic Research On-Ear Wireless Stereo Headphones, model no. AWD205, for $19.99 plus $6 for shipping. That's the lowest total price we could find by $34. These headphones feature 2.4GHz wireless sound up to 150 feet, 30mm drivers, frequency response of 20Hz to 20KHz, and more. Deal ends today.

Note: No warranty information is provided.