I continue to be loyal to these headphones for the simple reason that I have not yet encountered such tiny, light, and undetectable headphones; they are occasionally even misplaced. (I became accustomed to these before TWS headphones were became available; following the failure of these, I will only move to such mb.) The first version was provided as a present, but after one earpiece fell out a little over a year later, I had to buy a second one because they only last around 1.5 years. Although the high frequencies are adequate for vacuum tubes, I occasionally switch to earbuds and play the music from the other side. The second iteration of the headphones has a fairly noticeable latency between activities, which isn't really a disadvantage but more of a little inconvenience. For instance, if you mistakenly touched another button while turning it on, you must wait two to three seconds before trying to turn it on again. Similar to turning off, switching tracks requires two seconds of operation following an incorrect press.
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