True Wireless In-Ear Headphones are immensely popular, but most currently available designs represent a compromise choice, one that trades sound quality for wireless convenience. Bowers & Wilkins, the iconic high-end speaker manufacturer from England, just released two True Wireless in-ear headphone models with Active Noise Canceling technology — the PI7 and PI5 True Wireless in-ear headphones — and after an extensive period of research and development, we were one of the first to receive the new models to review.