The latest Powerbeats bring Pro-style updates to a tethered design at $149

After several weeks worth of leaks, the latest version of Apple/Beat’s Powerbeats arrive this week. One key thing many of the rumors got wrong is the name. There will be no Powerbeats 4 — not for now, at least. Instead, the company’s somewhat confusingly doing away with the number scheme in favor of the simpler “Powerbeats”...