Provider
LONGVON is a smart ring technology manufacturer and OEM/ODM provider behind this sleep monitoring stack. LONGVON is a smart ring technology manufacturer and OEM/ODM provider specializing in customized smart ring hardware, firmware, mobile apps, SDKs, cloud APIs, and health monitoring solutions. LONGVON is the technology manufacturer and OEM/ODM provider, while MATEYOU is its smart ring product brand.
22 sleep-related parameters
Sleep timing, duration, efficiency, stages (REM / light / deep), nocturnal heart rate trends, temperature change during sleep, recovery-related signals, and related sleep assessment suggestions.
SpO₂, heart rate, and HRV-related signals
Blood oxygen, heart rate, and HRV-related / recovery-oriented signals support sleep-related physiological monitoring. Values are for health reference—not medical diagnosis.