Earphones; Headphones; Headsets; Audio headphones; Bone conduction earphones; Hands-free headsets for cell phones; Headphones including attached lanyard; Headsets for cellular or mobile phones; Headsets for mobile telephones; Headsets for telephones; Headsets for use with computers; Music headphones; Noise cancelling headphones; Stereo headphones; Wireless headphones

Design and development of computer software