About this item 【Combined Health & Fashion】Bring the elegance to your finger,not only intelligent but also comfortable and effortless,outer ring used the stainless steel,inner ring used the hypoallergenic enviromentally friendly resin.,wear-resistant,corrosion-resistant.The smart ring can accurately track steps,distance,calorie counters, whether it’s indoor/outdoor running, treadmills,or fitness walking. 【Smaller But More Powerful】Built-in high-performance heart rate sensor,through the green light sensor,quickly measure your heart rate,sleep,etc.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. 【Small Size,Large Capacity】smart ring capacity:17mAh,5-7 days ring single use time.【Great Gifts for Men Women】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,etc. 【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 8.0 or above,Android 5.1 or above. 【Find Your Size】US8 (Ring inner diameter:18.1mm/0.71″,Ring circumference:56.9mm/2.24″),US9 (Ring inner diameter:18.9mm/0.74″,Ring circumference:59.5mm/2.34″),US10 (Ring inner diameter:19.8mm/0.78″,Ring circumference:62.1mm/2.44″),US11 (Ring inner diameter:20.6mm/0.81″,Ring circumference:64.6mm/2.54″) › See more product details Product information Collapse All Expand All Connectivity Item details Battery Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Additional details Style Compatibility
