ニット帽を触る音です。イヤフォン無しで聞くと変な感じの音なので聞く際は必ずイヤフォンしてお聞き下さい
To listen while using other apps, switch the player to Picture-in-Picture (PiP) during playback — it keeps playing in a small floating window (the screen stays on).
To listen with the screen fully off, in-browser playback stops by YouTube's design. Open the video in the YouTube app to keep listening where background playback is supported (e.g. with YouTube Premium).
Open in YouTube app