Smart Ring – 24/7-Herzfrequenz- und Blutsauerstoffüberwachung mit Schlaftracking, Schrittzähler, wasserdicht bis 50 m, geeignet zum Schwimmen, Fitness- und Gesundheits-Wearable

Clinical-Grade Insights​​ Beyond basic tracking: • ​​Arrhythmia screening​​ - FDA-cleared algorithm detects irregular patterns • ​​Hypoxia alerts​​ - Vibrates when SpO2 drops below 90% • ​​Recovery metrics​​ - HRV analysis with military sleep standards ​​🌊 Ocean-Ready Companion​​ Engineered for extremes: ​​Depth rating​​ - Maintains function at 50m for 30min ​​Saline resistance​​ - Corrosion-proof charging contacts ​​Free dive mode​​ - Auto-pauses tracking below 1m ​​📱 Digital Nomad Essential​​ No phone dependency: ​​Offline maps​​ - Syncs GPS routes via NFC ​​Emergency SOS​​ - Triple-press to share location ​​Multi-OS sync​​ - Exports data to Garmin/Strava ​​💍 Discreet Wellness​​ Invisible technology: • ​​Laser etching​​ - Scratch-proof touch surface • ​​Size memory​​ - 3D scans finger for perfect fit • ​​Battery cloak​​ - Charges through metal band ​​⚡ Athlete's Secret Weapon​​ Pro training features: ​​Stroke analysis​​ - Identifies freestyle/breaststroke efficiency ​​Altitude prep​​ - Adjusts VO2max calculations ​​Tactile cues​​ - Haptic prompts for interval training