A4C offers the refurbished AUVIO Folding On-Ear Headphones with Mic in Black, model no. 3300936, Blue, model no. 3300938, or Purple, model no. 3300939, for $12.95 with free shipping. That's $10 under the lowest total price we could find for a new set. They feature a 20 to 20kHz frequency response.

A 90-day A4C warranty applies.