Ultrahuman Ring Air Silver - Size 13

• Smart ring• Non-contact medical-grade skin temperature sensor• 6-axis motion sensors• Up to 6 days battery time• Tracks your daily movement: Steps, Distance, Calories• Tracks your sleep: Score, stages, nuances• Waterproof: Up to 100 m/328 feet• Compatible with iPhones running iOS 15 or later and Android devices running Android 6 or later• Automatic firmware updates via the Ultrahuman App• 2,4 - 3,6 grams (varies by size)Discover the Ultrahuman Ring Air, a smart ring designed to elevate your health and wellness journey. This wearable device seamlessly integrates into your daily life, offering detailed tracking of your activity, calories burned, heart rate, sleep activity, and more. With its advanced sensors, including a 6-axis motion sensor and optical heart sensor, you gain comprehensive insights into your physical well-being. The Ultrahuman Ring Air is not just about functionality it&aposs also crafted for durability and comfort. Made with medical-grade hypoallergenic epoxy resin and coated with tungsten carbide carbon, it&aposs designed to withstand daily wear while being gentle on your skin. Plus, its water-resistant feature ensures it can accompany you on all your adventures, whether you&aposre swimming or caught in the rain. With a battery life supported by a 24 mAh lithium polymer battery and quick recharge time, it&aposs always ready to go when you are. Embrace a smarter way to stay healthy with the Ultrahuman Ring Air.