Most Bluetooth headphones are ugly. Most Bluetooth headphones are junk. Most Bluetooth headphones make you long for a cord. They are distorted, bass heavy, low-quality piece of junk.
For the most part, not so Harman / Kardon’s over-the-ear Bluetooth headphones. These are Bluetooth headphones worthy in both sound quality and design of the iconic company that not only helped create Hi-Fi, but is, in many non-trivial ways, the Apple of sound.