- The caliber of sound Optimal form and level of acoustic insulation Aspect and lack of identifying markings These have such deep cups that they do not even come close to touching the ears. Because of this, the ears do not become fatigued at all, and you are able to continue using headphones for a number of hours in a row without issue. The structure does not make any squeaks or backlashes, and it has a certain degree of solidity. Elegant in the manner of the cabin of a Mercedes Battery life: While listening for a couple of hours each day, I charge the headphones once, and less frequently twice, every week. The superiority of the components used in the construction of the ear cushions and headband.
- Totally incapable of being repaired in any way.