Newegg via eBay offers the Rosewill Passive Noise Isolating Earbuds
in Blue, model no. E-360-BLE, for $6.99
with free shipping
. That's $2 under our February mention and the lowest total price we could find by $1. Features include an inline microphone with control button, 10mm drivers, frequency response of 10Hz to 22kHz, and 4-foot cord.