Bone conduction earphones; Digital door locks; Game headphones; Hands-free headsets for cell phones; Loudspeakers, headphones, microphones and CD players; Multi-function electronic device for use in children's rooms comprising a sound producing function, temperature gauge and also including a clock and nightlight; Noise cancelling headphones; Radios incorporating clocks; Smart glasses; Smart watches; Sound systems comprising remote controls, amplifiers, loudspeakers and components therefor; W...