It automatically connects when turned on as long as your Bluetooth is on, and was easy to sync originally. Alles in Allen ist dies Meckern auf hohem Niveau und ich bin vollsten zufrieden mit den GSP 300. As far as durability goes, only time will tell, but so far so good! My feet are on the wide side but they are fine. For delivery, the company I ordered from was great. Stay Classy ?? Being that I have neuropathy I couldnt wear them without an insert because of the little bumps on the inside. Once they graduate, look out! The mic is very good - picks up my voice with clarity when on a cell phone. I need to periodically clean the Kraken Pro v2s with contact cleaner, and even then, theyre still really finicky.