One advantage is a high-quality sound reproduction. The quality of the microphone is of the utmost importance. If you have a good one, your conversation partners will be able to hear you clearly even as they go about their daily business in the city. Other disadvantages include the fact that they are uncomfortable to wear due of their snug fit in the ear, making it difficult to listen for extended periods of time or all day long. Nevertheless, not only can you adjust the size of the ear cushions, but you can also select the "wings" that adhere to the auricle (both those and those in the kit 3 sizes). If you opt to provide a promise that they will not fall out, then it is very evident that it will be on the restrictive side. The built-in software can only function if permissions are granted for everything (even if you disable permissions that are not needed for some functions, for example, access to notifications to read them, it simply refuses to start completely). This renders it unusable for me; nonetheless, the default setup of clicks (play/pause plus activation of duplication of external audio) is sufficient for my needs.
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