Multi-function1002 via eBay offers the Syllable G08 Bluetooth Noise Reduction Headphones in Red, model no. G08-005, for $45.99 with free shipping. That's the lowest total price we could find in any color by $24. They feature a foldable design, 2.4GHz to 2.48GHz frequency response, auto power off function, microphone, and 30-foot range. Also included are a lithium battery, 3.5mm cable, USB cable, carrying bag, and two converter plugs.

Of note, ebuyingsnow via eBay also offers the headphones for $45.99 with free shipping, although stock may be limited.