Harman Audio via eBay offers its Harman Kardon IENC Noise-Canceling In-Ear Headphones in Black/Silver for $27.99 with free shipping. That's tied with our mention from last week as the lowest total price we've seen. (It's also the best deal we could find today by $17.) Features include a 12Hz to 24kHz frequency response, 32-ohm impedance, and battery life of up to 35 hours.