I bought a bunch of these to give as client gifts, and have two left over after keeping a pair for myself. Will do $100 individually or $175 for both sets. Both are brand new in unopened box (back of the box is clear pictured in listing).
Headphone info below if copied and pasted from Musician Friend website:
The ATH-SPORT90BT wireless in-ear headphones are specially designed to bring high-quality audio reproduction to athletes and others with active lifestyles. Featuring high-sensitivity 6 mm drivers with a powerful magnetic circuit and dedicated headphone amplifier, the ATH-SPORT90BT headphones give you two ways to listen to your music. Connect wirelessly to your smartphone or other Bluetooth device, or store audio files on the built-in 4 GB music player and listen without an external device – no need to lug your smartphone around or worry about dropping it during workouts.