Overview: Activity Tracker Ring with Heart Rate Blood Oxygen Sleep Monitor,Smart Fitness Ring Heart Rate Monitor Blood Oxygen Tracker Sleep Monitor Fitness Ring, Product informashion: Material: Stainless Steel Process: Bluetooth LE5.0 combinashion form: single sleeve Type: Lithium Polymer Battery colour: Gold,Silver,Rose Gold,Black size informashion: size: 06,07,08,09,10,11,12,13 Note: 1. All‐Day Health & Wellness Tracking Monitor your well‐being in real time with advanced sensors that track heart rate, blood oxygen saturation (SpO2), and sleep quality. The ring also measures body temperature trends, so you can stay aware of your daily physical condition. Smart health alerts notify you when your metrics fall outside your normal range, helping you take proactive action. 2. Comprehensive Fitness & Activity Coach Whether you are walking, running, or working out, this smart ring records your daily steps, calories burned, and active minutes. It intelligently identifies movement patterns and provides activity summaries, making it easier to set and achieve your fitness goals. Perfect for gym sessions, outdoor sports, or simply keeping up with your daily routine. 3. Seamless Media & Social Control Take command of your digital world without touching your phone. Effortlessly switch short videos, like posts with a simple air gesture, and turn e‐book pages or control music playback from the ring. The remote camera shutter lets you capture group photos or selfies from a distance, making it an ideal companion for vlogging and social media lovers. 4. Smart Notifications & Haptic Alerts Never miss what matters. Receive gentle vibration alerts for incoming calls, text messages, calendar events, and important anniversaries. The ring also features a silent alarm clock that wakes you with a subtle buzz, plus reminder alarms for meetings or medication. All notifications are delivered discreetly through quiet motor vibrations, so you stay connected without disturbing others. 5. Lightweight, Durable & All‐Day Wear Designed for continuous wear, this ring is water‐resistant, scratch‐proof, and made from hypoallergenic materials that are comfortable on any finger. The battery lasts for days on a single charge, and the minimalist style matches both casual and formal outfits. Whether at work, during sleep, or at the gym, it stays securely in place and feels barely there.