BuyDig offers the Sennheiser CX 275 S In-Ear Stereo Headset (pictured), model no. 504538, for $23.95 with free shipping. That's a buck under our Black Friday week mention and the lowest total price we've seen. (It's a current price low by $1, although most places charge $33 more.) This in-ear headset features a 17Hz to 23kHz frequency response, music and volume controls, microphone, different sized eartips, and storage pouch.