[Health insights for days. And nights.]From sleep tracking to heart health notifications and much more, the advanced sensors in W9-RING help you better understand your health.RING helps you identify changes in your daily health status. Quickly see your key overnight health metrics right on your finger — including 【Heart Rate】and 【sleep duration】. [Get a closer look at your shut‑eye.]Sleep on it.The Sleep app lets you create a schedule and bedtime routine to help meet your sleep goals. See the time you spent in REM, Core, and Deep sleep, as well as when you might have woken up.And view sleep trends to see how consistently you’re meeting your goals. [Fit for anything.]W9-RING is the perfect fitness partner. It motivates you to stay active, tracks all your workouts, and gives you the metrics you need.Exercise your options. From running and strength training to Yoga and Cycling, W9-RING delivers a healthy number of ways to work out — and all the metrics【Steps, calories, distance】 you could want. [Fashion and health]Ultra-thin design, comfortable to wear. IP68 can easily cope with various scenarios in daily life, safe to use. By linking the GPS function of the mobile phone, you can draw a route map of the movement trajectory. Fastest-charging.Get 100% battery in 30 minutes. [A perfect gift]Get invaluable health insights.New ways to fine-tune your fitness experience.W9-RING Smartring is a perfect gift that you can give to your family or friends on Christmas, Valentine's Day, Father's Day, Mother's Day, Thanksgiving, New Year, Anniversary, Birthday and any other important dates. ●Take it all in. Get it all done.
- Step/distance/calorie calculation
- Heart rate monitoring
- B-Oxy monitoring
- Sleep tracking
- Multi-sports mode

●SIX size types(inch)

○size #8:Inner circumference：2.24in
○size #9:Inner circumference：2.34in
○size #10:Inner circumference：2.44in
○size #11:Inner circumference：2.54in
○size #12:Inner circumference：2.65in
○size #13:Inner circumference：2.74in

●The most durable cnBro Smart Ring ever built.
○Crack Resistant/Dust Resistant/Water Resistant
●Charges in no time.
○15mAh About 0.5H Charging time and 3~5 days of use, 7 days of standby

◎SPECIFICATION:
System Requirements：Android 6.0 and above, iOS 12.0 and above, Bluetooth 5.2 support

◎WHAT'S IN THE BOX
- 1*Ring
- 1*User Manual
- 1*Magnetic charger
★Any questions,please kindly contact us,we would always offer best solution to you.