Feature:1. SMART RING FITNESS TRACKER: The smart ring combines elegant design with advanced sensors to track your health data. Get real time insights and take control of your well being.2. ENERGY EFFICIENT: The smart ring features a stylish and practical design, with energy efficient technology for 7 day continuous monitoring on a single charge. Compatible with for Android and for iOS for easy data viewing.3. ACTIVE LIFESTYLE: More than a fitness tracker, the smart ring motivates you to make healthier choices. Personalized advice for fitness enthusiasts, sleep conscious individuals, and stress managers.4. IDEAL PRESENT: The smart ring is a stylish accessory that feels comfortable to wear. Make your loved ones feel special and appreciated with this ideal present for weddings, graduations, and housewarmings.5. WATER RESISTANCE AND DUST RESISTANCE: Wear the ring freely in daily water related activities like handwashing, showering, and swimming. Sensors continue monitoring your health data in various water scenarios.6. STAINLESS STEEL MATERIAL, ELEGANT APPEARANCE: The smart ring is made of premium stainless steel, which is sturdy and lasting, rust and wear resistance. Beautiful and elegant, lightweight design.Specification:Item Type: Smart RingMaterial: Stainless SteelColor: GoldRing Battery Type: Lithium Battery (With Built In Battery Delivery)Ring Battery Capacity: 20mahRing Battery Life: About 7 DaysRing Charging Time: About 45 MinutesApp: for Smart Health.Package List:1 x Smart Ring1 x Charging Cable1 x User ManualNote:Manual measurement please allow some error.