Generally from people who hadn’t wore them.... I’ve had them fall out of my ears once when I was taking my jumper off with them on. I run with them on. They ar

Generally from people who hadn’t wore them.... I’ve had them fall out of my ears once when I was taking my jumper off with them on. I run with them on. They are a slightly different shape to the earbuds that come with iPhones so worth a try even if those fall out a lot.