9 Computer peripheral devices; computer hardware; interfaces for computers; wearable computer hardware; wearable speakers; wearable activity trackers; wearable video display monitors; wearable image display monitors; wearable haptic devices; headsets; headsets for use with computers; virtual reality headsets; virtual reality glasses; virtual reality controllers; extended reality headsets; extended reality glasses; extended reality controllers; mixed reality headsets; mixed reality glasses; mixed reality controllers; augmented reality headsets; augmented reality glasses; augmented reality controllers; wearable technological products; eyewear; eyepieces; eyeglasses; recorded software; downloadable software