Wearable activity trackers; Electric or electronic sensors for measuring brain activity; Sensors for measuring human physiological data, not for medical use; Sensors for scientific use to be worn by a human to gather human biometric data and also including a headband sold as a unit; Smart glasses; Earphones and headphones; Headphones in the form of sleep masks; Downloadable mobile applications for meditation, wellness and/or research purposes; Downloadable computer software for gathering huma...