I could have them on for 2 hours+ no issues. Semelle kaki alors quelle semble grise sur la photo. It requires assembly, but all the parts are intelligently organized and clearly labeled -- so much so that I comfortably read my audiobook while putting it together (though, oops, there was a piece left over. I bought this headset during black Friday sale for $200. No regrets lol. Extremely disappointed with apple oaths simple purchase, NO USB-C cable? really? People pay premium money for laptops, iPhones, iPad, when pushing an extra Power supply (One for home & one for work) no cable included! I am happy with the purchase and quick response of this phone. While the sound quality / ANC is amazing, I have a consistent, irritating buzzing / static noise in the right Airpod. Definitely the best I’ve bought and like I said I’ve returned several other ones because they didn’t live up to what they said. simple to assemble