Most of the ones that are over 50 can last a lot of time and have good enough sounds. But the most important stuff are the tips and the cable. Make sure the for

Most of the ones that are over 50 can last a lot of time and have good enough sounds. But the most important stuff are the tips and the cable. Make sure the former fits (just buy a pack) and the latter is thick and braided. Some cheapo ones send every rubbing amplified to your ears.