Headphones, namely, earphones, headsets, earbud (singular), earbud(s), earpieces, circumaural headphones, supraaural headphones, earpad headphones, on-ear headphones, in-ear headphones, open-back headphones, closed-back headphones, over-ear headphones, and other audio-based wearable devices, including headphones that additionally include microphones; computer headbands; computer hardware, namely, wearable computing devices, sensors and accessories for use with headsets and headphones to collect, store, analyze, and transmit brain and other neural activity of a user; downloadable and recorded computer software for interfacing between the brain and computing platforms including headsets and headphones; downloadable and recorded software for providing an interface between a users brain activity or other neural activity and a computer; downloadable and recorded software for use in collecting, storing, analyzing, and transmitting usage data from headsets and headphones; downloadable and recorded software to analyze usage data collected from headsets and headphones; downloadable and recorded software to transmit data from wearable computing devices including headsets and headphones to computing platforms; electroencephalography (EEG), electromyography (EMG), and/or electrocardiogram (ECG) kit, consisting of an EEG, EMG, and/or ECG headset, EEG, EMG, and/or ECG sensing device, brain sensing headband, wearable headset device to measure, track, and monitor EEG, EMG, ECG, and/or other neural signals, and associated software sold as a unit therewith, the aforesaid in association with measurements and signals derived from the head, brain functioning, brain processes, brain activity, neural activity, muscle activity, movement activity, and/or mental and cognitive measurements, analysis, or other biofunction (including without limitation, eye movement, and/or galvanic skin response, and/or facial muscle tension); digital electronic devices and instruments containing sensors for measuring, displaying, storing, or transmitting biosignals, physical parameters, and other physiological data; digital electronic devices and instruments containing microphones for receiving, collecting, storing, analyzing, and transmitting audio, sound, and/or other vibration data (including, but not limited to non-audible murmurs and whispers) including from the user's voice, the user's environment, the user's physiology, and/or the user's movement or actions; tracking units comprised of a head-worn device for measuring, tracking, and monitoring electroencephalogram (EEG), electromyogram (EMG), electro-oculogram (EOG), electrocardiogram (ECG), photoplethysmogram (PPG) signals, audio signals and for measuring, tracking, and monitoring accelerometer data, and gyroscope data

Non-downloadable computer software for interfacing between the brain and computing platforms including headsets and headphones; non-downloadable software for providing an interface between a users brain activity or other neural activity and a computer; non-downloadable software for use in collecting, storing, analyzing, and transmitting usage data from headsets and headphones; non-downloadable software to analyze usage data collected from headsets and headphones; non-downloadable software to transmit data from wearable computing devices including headsets and headphones to computing platforms