As one of its daily deals, Caloby offers the 3EIGHTY5 Audio Duoplay Headphones and Speakers in Black, model no. 12-0201-1, for $21.99 with free shipping. That's the lowest total price we could find by $16. These over-the-ear headphones double as speakers and feature a frequency response of 20Hz to 20kHz, 40mm drivers, and a 5-foot cord. Deal ends today.