Cameras; Smartglasses; Smartphones; Smartwatches; Timers; Bicycle computers; Bone conduction earphones; Cases for smartphones; Chargers for smartphones; Digital photo frames; Digital photo printers; Digital projectors; Smart rings; Smartwatch bands; Wearable activity trackers; Wearable cameras; Wearable computers in the nature of smartwatches; Wearable global positioning system (GPS); Wireless headsets for smartphones; Wrist-mounted smartphones