[The future of health never looked so good.]Measure your b-oxyg level with a revolutionary sensor and app. Take an Heart rate monitoring anytime, anywhere.Along with other innovations like sleep tracking to keep you healthy from head to toe. cnBro Smart Ring puts more health insights in sight and allow you to take on demand readings of your health management data as well as background readings, day and night. [Get the sleep of your dreams with app.]The Sleep app tracks your sleep, working with your SmartPhone to help you create a schedule and bedtime routine to meet your sleep goals. See how much time you spent in different sleep stages like Core or Deep sleep, as well as when you might have woken up. View your sleep trends to see how consistently you’re meeting your goals. The only thing it won’t do is count sheep. [It's the ultimate fitness partner.]You can choose swimming, yoga, cycling, running, or other activities you are interested in. Track all the ways you move.Now you can try to set an exercise goal for yourself, and monitor your body data in real time during the process, such as heart rate zone, steps, calorie consumption, distance. Let’s go — there’s more in there. [Charging for 0.5H, use for 3~5 days]It adopts an ultra-low power consumption main control chip, which greatly improves the battery life of the ring. When you're on the second day of a backpacking trip, The movement is about to reach its end, the last thing you want to think about is running out of battery. With longer battery life than ever, you can take on almost anything and have energy to spare. Any question: Please click on [Orders] in the upper right corner of the page, and you will be redirected to your past orders. Click on [Sold by Fusong US] below the product name on the order page, then click the yellow button [Ask a question]. Select [I need assistance with an order I placed], click the yellow button [Write message], and write down your request to send e-mail to us. To respond within 24 hours is available, offering peace of mind and excellent customer support if needed. There is a conversion error between international size units, please choose the appropriate size based on the actual measurement data.

●All-new colors.
○Silver/Gold(middle)/Gold(both sides)
●It watches over you day and night.
○Automatic sleep data monitoring, historical data can be viewed on the watch or APP
●The most durable cnBro Smart Ring ever built.
○Crack Resistant/Dust Resistant/Water Resistant
●Charges in no time.
○17.5mAh About 0.5H Charging time and 7~10 days of use, 15 days of standby
●It's the ultimate fitness partner.
○Multi-sport modes including Running, cycling, rope skipping, fitness, mountain climbing, yoga, golf, dancing, etc.
●Track your menstrual cycle with a tap.

◎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*Ring Box
- 1*User Manual
- 1*Magnetic charger
★Any questions,please kindly contact us,we would always offer best solution to you.