No need to fanny about pressing buttons to put the earphones into pairing mode although that is still an option should they need to be paired manually if they fail to pair automatically in the future. Sennheiser do not offer spare cables for this model - they do so for seemingly every pair of headphones theyve made apart from these ones. This size will let me do several projects. Im am massive lover of havaianas but have to say Im disappointed in the quality of this. During this covid time, I have been working from home and need to charge my phone all the time. Ive been using these in my job as a location sound mixer and after 8 days they broke. So happy with it. I couldnt even get my foot into the 8. I hate my feet to get over hot and these are great. Do they look and feel like ear pulgs?( for those that are trying to hide the fact that your at work with ear buds in) yep!