RUBYELF

Medical and fitness devices for monitoring and measuring blood, tissue and organ properties; medical and fitness devices for monitoring and measuring timing of cardiac cycles; medical and fitness devices for monitoring and measuring blood oxygenation levels; medical and fitness devices for measuring and calculating cardiac pulse wave transit times; medical and fitness devices for monitoring and measuring vital signs; wireless patient monitors and sensors; Medical and fitness devices for monitoring and measuring mammalian cardiovascular, respiratory, muscular, and endocrine system metrics and properties