Govllfoz Smart Ring, Silver Glitter Activity and Sleep Tracker (Silver, #7) Heart Rate, Blood Oxygen, 5ATM Waterproof, Magnetic Fast Charging, Health Fitness Tracking for Women Men

【NO SUBSCRIPTION FEE & QRING APP】 Use the QRing app to view heart rate, HRV, stress, body temperature trends and daily wellness insights. Compatible with iOS and Android for simple everyday tracking. 【SLEEP TRACKER FOR EVERYDAY ROUTINES】 Track sleep duration, sleep stages and sleep quality, then review clear sleep and recovery trends to better understand your daily routine. 【FITNESS TRACKER RING WITH SMART CONTROL】 Record steps, distance, calories and selected sports activities. Gesture control supports remote camera operation and ring-finding features when connected to the app. 【LIGHTWEIGHT STAINLESS STEEL & 5ATM WATERPROOF】 Designed as a comfortable fitness ring for everyday wear, with a refined silver glitter finish and 5ATM water resistance for hand washing and light water exposure. 【MAGNETIC CHARGING & SIZE BEFORE BUYING】 Enjoy up to 7 days of typical use, up to 15 days on standby and approximately 1.5 hours to charge. Available in sizes 7–10; compare your finger circumference and ring inner diameter before buying. 【Multiple Sizes】 Available in sizes 7–10 to suit different finger circumferences. Size 7 fits 54–56 mm (2.15–2.21 in), Size 8 fits 57–59 mm (2.25–2.32 in), Size 9 fits 60–62 mm (2.35–2.44 in), and Size 10 fits 63–65 mm (2.48–2.55 in). Please measure your finger circumference and check the size guide before ordering.