Key Features

• Does not require a subscription fee for access to its features
• Monitors heart rate, blood oxygen levels (SpO2), heart rate variability (HRV), and respiratory rate. It also tracks skin temperature and stress levels throughout the day and during sleep
• Offers detailed sleep analysis by tracking awake, light, deep, and REM sleep stages using temperature sensors and a 3-axis accelerometer
• Includes automatic detection of activities, tracking steps, and estimating calorie burn. However, it doesn't differentiate between specific activities but provides accurate overall movement data
• Uses various metrics like heart rate, sleep, and temperature to offer insights into your stress levels and recovery
• Made from PVD-coated titanium, it’s lightweight (3-5 grams), durable, and comfortable to wear
• Offers up to 7 days of battery life on a full charge, and the portable charging case extends usage to 150 days, making it convenient for travel
• Has an IP68 rating, making it water-resistant up to 50 meters

Note: To ensure the perfect fit, we strongly recommend ordering the 'Sizing Kit' first to determine your correct ring size before making a purchase, as we cannot accept returns on used wearables..