Smart Fitness Ring: The smart ring supports 24-hour continuous heart rate, also monitor your real-time blood oxygen at any time with one click on the App. An automatic sleep tracker can monitor your sleep status and provide a comprehensive sleep quality analysis (deep sleep, light sleep, and wake-up time), allowing you to develop good sleeping habits.Sport Smart Ring: Take your fitness routine to the next level with built-in health monitoring features. Track your steps, calories consumption and distance automatically. Turn on the sport modes in the App, it will additionally track your sport route, activity time and heart art rate during exercise, this allows you know when you should save motivation or keeping exercise hard, also let you know the real-time sport performance.IP68 Waterproof Ring: IP68 waterproof technology support swimming, washing hands, cold showering and rain, giving you convenience during daily life. Note: please keep away hot water or steam.Compact and Stylish: Our Smart Ring is designed to be discreet yet stylish, allowing you to stay connected without compromising on fashion. Its minimalist design ensures it blends seamlessly with your everyday look.Gift & Warranty: A perfect gift ring for any man in your life who you want to impress and add style to his wardrobe, suit for any gift giving occasion: Valentine's Day, anniversary, business, birthday, Thanksgiving Day, Christmas etc. Provides 12 months warranty, allowing you to eliminate purchase concerns. If you have any question, contact us freely and we will offer satisfied solution within 24 hours.