Smart Ring Fitness Rings for Men Women Waterproof Activity Tracker Heart Rate Monitor Calorie Counter Sleep Tracker Long Battery Life Ceramic Ring

About this item 【Smart Ring Health Tracker】The smart ring can accurately track steps, distance, and calorie counters, whether it’s indoor/outdoor running, treadmills,or fitness walking.The ring weighs only 5g and there are no restrictions during the exercise. 【Smaller But More Powerful】Breaking the basic concept of jewelry,fashionable and intelligent.Microcrystalline zirconium nano-ceramic body,stainless steel inner ring,more sturdy and durable. Built-in high-performance heart rate sensor,through the green light sensor,quickly measure your heart rate.You can also turn on APP measure your heart rate.Let you understand your health better. 【Know Your Sleep】Automatically monitor sleep at night,record sleep duration,analyze sleep data and sleep depth.【Creative Gifts】This is a nice creative gift for men and women,while maintaining fashion, one can also care about their physical health.Can be used as a gift for anniversaries, birthdays, Christmas, and Father’s Day,etc. 【Long Battery Life】smart ring capacity:23mAh,charging case capacity:400mAh,100 days extra-long uasge time,7 days ring single use time,the fully charged charging compartment can power the ring nearly 20 times. 【IP68 Waterproof Smart Ring/Compatibility】Wear it without restraint,you can wear it when you sweat,wash hands(Do not soak in hot water or sea water).It supports iOS 11.0 or above,Android 6.0 or above. 【Fitness Ring Size】US5 (Ring inner diameter:15.7mm/0.61″,Ring circumference:49.3mm/1.94″), US8 (Ring inner diameter:18.1mm/0.71″,Ring circumference:56.9mm/2.24″), US10 (Ring inner diameter:19.8mm/0.77″,Ring circumference:62.1mm/2.44″). › See more product details Product information Collapse All Expand All Connectivity Item details Battery Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Feedback Would you like to tell us about a lower price? Additional details Style Compatibility