As one of its daily deals, A4C offers the refurbished JBL Synchros On-Ear Bluetooth Headphones in Red, model no. E40BT, for $39.95 with free shipping. That's tied with our mention from September and $5 under the best price we could find for a refurb. Features include 40mm drivers, up to 16 hours of playback via Bluetooth per charge, a 3.5mm audio cable, and 20Hz to 22kHz frequency response. Deal ends today.

Note: A 90-day A4C warranty applies.