Audio and visual headsets for use in playing video games; Downloadable computer software for managing electronic payment transactions using distributed ledger technology (DLT); Downloadable interactive multimedia computer program for specify subject matter or purpose of program; Downloadable mobile applications for analyzing and reporting self-assessment of illness; Downloadable mobile applications for retrieving and displaying health information; Electronic sports training simulators for simulating defensive basketball plays, sports defense, etc.; Gaming headsets for use in playing video games; Haptic suits, other than for medical purposes; Integrated circuit cards; Integrated circuits; Pulse generators in the nature of electronic circuits; Wearable computer peripherals in the nature of wireless mice; Wearable computers in the nature of smartglasses; Wearable computers in the nature of smartwatches; Wearable electronic proximity sensors with embedded contact tracing software for monitoring and alerting of social distances, distance measuring, etc. among wearers