Let me tell you, I bought them to wear at my daughters wedding when my heals started to hurt. User guide is in English only and describes button functionalities and speaker setup. UPDATE: Im finally not very surprised to see that after a few weeks (under a month), my unit stopped working. Im running 70mm stems and the mount that came with my Garmin was too long. So far, they have held our bath robes with no issues. Non idonea alla corda frequente. The handles are great and make it easy to carry. About that, is important to instal the crossbars appropriately. In the box I got three things: the headphones, the headphone wire, and a 3. After only a few wearings, its warped internally (folded over or twisted).