Many users of surface headphones have the problem of broken headstock, which is called design failure by some affected users.Users report that this does not require any excessive force. Dr windows, which has been focusing on this issue, reports that the product appears to have a design weakness, that is, the parts used to reinforce the headbeam are broken.
It's not uncommon for Microsoft products that the material of the device breaks. The surface duo charging port cracks, which is definitely a design defect. The Microsoft band bracelet, which has been cancelled for a long time, has a similar problem. Perhaps Microsoft should check its product design studio for systematic errors.