Recall that the device operates on the basis of several microphones. Inside is a powerful chip. At the same time, the company used silicone ear pads, which are fastened with a compound that has no analogues.
What did the tests show?
As a result of opening the device, it became clear that the model includes a battery from the production of Varta. It can be purchased at retail, but cannot be replaced, as the battery is soldered tightly. And to realize the task will not succeed even in the service center. The disadvantage is the excess glue.
For maintainability, these headphones received 0 out of 10 points, and this is a complete failure. It is impossible to repair them without breaking it completely. Recall that their cost is 89 dollars. Actually, the previous two generations received the same points.