Panasonic offers its Panasonic Lightweight Travel Headphones in Black, model no. RP-HXC40-K, or White, model no. RP-HXC40-W, for $12.99 with free shipping. That's the lowest total price we could find by $6. They feature 30mm neodymium drivers, a frequency response of 10Hz to 25kHz, fold-flat design, and in-line remote and microphone.