newegg offers the Sennheiser CX 200 Earbud Stereo Headphones, model no. 502544, for $17.99 with free shipping. (Amazon charges the same for Prime members.) That's the lowest total price we could find now by $2, although we saw them for $3 less last week. Features include a 3.5mm plug, noise isolation, frequency response of 20Hz to 20kHz, and more. Deal ends May 19.