Harman Kardon via Newegg offers its Harman Kardon IENC Noise Canceling In-Ear Headphones for $29.99 with free shipping. That's tied with our mention from two weeks ago as the lowest total price we've seen. (It's a current best by $12.) Features include and inline microphone, 12Hz to 24kHz frequency response, 32 ohms impedance, and battery life of up to 35 hours. Deal ends April 9.