Original product information
Uniting Diesel’s iconic Double D design with Ultrahuman’s advanced technology, the Diesel smart ring in Phantom black variant, finished in a dark distressed tone, embodies an elusive and gritty presence. Industrial at heart, refined in form. The box includes: Diesel Ultrahuman smart ring, customized Ring Charger and Type-C to Type-C Cable (1 meter).• Thickness: 2.45 – 2.8 mm (varies with size)• Weight: 2.4 – 3.6 g (varies with size)• Battery type: Rechargeable, non-replaceable 24 mAh Li-Po battery (size 5-8), 32 mAh Li-Po battery (size 9-14)• Battery life: 4–6 days on a full charge• Charging time: 180 minutes• Water resistance: Up to 100 meters ( 328 ft) for up to 12 hours• Sensors: Infrared Photoplethysmography (PPG) sensor, 6-axis motion sensors (accelerometer + gyroscope), Red LEDs heart rate and oxygen saturation (SpO₂) monitoring; Green LEDs heart rate monitoring• Metrics: AFib Detection, Cardio Adaptability, Heart Rate Monitoring, Skin Temperature Tracking, Circadian Alignment, Caffeine Window, Vitamin D, Screen Time, Steps, Distance, Calories, VO Max Tracking, Sleep Score, Sleep Stages Analysis, Dynamic Recovery Score, Stress Rhythm, HRV Monitoring, Cycle & Ovulation Tracking (Only Membership program), Cycle & Ovulation Pro (Only Membership program), Pregnancy Insights (Only Membership program).• Connectivity & Compatibility: Bluetooth Low Energy (BLE 5.0), Compatible with iPhones running iOS 15 or later and Android devices running Android 6 or later, Transmission frequency: 2.4 GHz, Automatic firmware updates via the Ultrahuman App, EMF radiation-safe