I have very flat feet, and I need a shoe that I can work in all day. Everything about the connection and use should be flawless and easy, and if it is not I would suggest exchanging them. Firmware update via the App is straight forward. Mir gefiel bei dieser Sandale, dass der Fersenbereich geschlossen ist, was mir persönlich das Gefühl gibt mehr Sicherheit beim Tragen zu haben. There are 5 clothes hooks and two extra adhesive pads in the package. The tether strap is helping me worry less about the chances of the cap being lost. You will not regret being and Anchor customer! I put the small ear pieces on and they are perfect for me, but it comes with small medium and large. Playing something like Beat Saber? Use this. not sure why it is as high as it gose.