Bluedio T2S Bluetooth On-Ears for $20 w/free S&H

At the intersection of budget and utilitarian and bluetooth, the closed-back Bluedio T2S (obnoxiously named Turbine 2 Shooting Break) are on sale, in new condition, in four different color options, for $20 with free shipping at NewEggFlash where the offer ends on 5/31/16.

These are heavily reviewed at amazon.com where they average 4.1 out of 5 based on over 2300 reviews, and have over 400 (!) questions answered by internet users over there.