The wins on driver size and foldability. While Sony has superior noise cancellation, the Blueway offers better passive isolation due to the thick 050 driver housing.
| Feature | Blueway By Bdu 050 Driver Zip | Sony WH-CH720N | Audio-Technica M50xBT2 | | :--- | :--- | :--- | :--- | | | 50mm | 40mm | 45mm | | Foldable "Zip" | Yes (Ultra-flat) | Yes (Bulky) | Yes (Standard) | | Battery Life | 60 hours | 50 hours | 40 hours | | Build Quality | Metal/Leather | Plastic-heavy | Plastic/Leather | | Price Point | Mid-Range | Mid-Range | High Mid-Range | Blueway By Bdu 050 Driver Zip High Quality
