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 Ring Material: Stainless Steel Color: Gold Ring Battery Type: Lithium Battery (With Built In Battery Delivery) Ring Battery Capacity: 20mah Ring Battery Life: About 7 Days Ring Charging Time: About 45 Minutes App: for Smart Health. Package List: 1 x Smart Ring 1 x Charging Cable 1 x User Manual Note: Manual measurement please allow some error.