Review: 3 Bluetooth headsets for stereo sound

These days, we use our phones for music, podcasts, news and phone calls -- but when we want to do it wirelessly and privately, we only have a few options. Headphones can give you great sound, but they're not exactly inconspicuous -- or easy to drop into a small bag.Single-ear headsets are fine for keeping in contact, but don't make listening to your favorite band or a Beethoven symphony a really uplifting experience.
If you want something very portable but with good stereo sound, you want a pai