AMOVAN Smart Ring Sleep Health Monitor Fitness Heart Rate Blood Oxygen Waterproof Titanium Alloy Lightweight Bluetooth Tracker for Men and Women,Black

• UPC   760646468953
• 【Smart Ring Size Kit】：Please search for ASIN: B0CLHW28BG to purchase our size kit, designed to help you determine the correct size for non-standard hand measurements. This will assist you in making a more informed choice when placing your order. 【Activity Fitness Tracker】: The fitness tracking ring records your exercise data and automatically monitors your heart rate and HRV every half an hour, or you can do it manually through the app. Blood oxygen saturation and stress tests are measured manually through the app. 【Sleep Tracker】: The sleep monitor feature will automatically record sleep data from 10:00 PM to 8:00 AM. The sleep tracking ring is your ideal health companion, Our smart rings for men and smart rings for women are both excellent choices. 【No subscription fee】：The data from the smart ring health tracker can be easily viewed through a mobile app without any subscription fees. Smart Ring support Android 5.0 and iOS 10.0 and above systems. 【Titanium Alloy Material】:The smart ring is crafted from lightweight, skin-friendly, high-strength titanium, ensuring excellent workmanship and durability. 【Surpasses IPX68 Waterproof Rating】: Smart ring boasting an outstanding IP68 waterproof rating. This guarantees your confidence in wearing it during showering, rainy workouts, or even swimming, as it remains water resistant up to an impressive depth of 100 meters (330 feet). 【Super Long Battery Life】: With an extended battery life that lasts up to four days on a single charge, this smart ring ensures prolonged usage without the need for frequent recharging.