BRING HEALTHY LIFE : Not only intelligent but also comfortable and effortless,with 304 stainless steel material,wear-resistant,corrosion-resistant.The smart ring can accurately track steps,distance,calorie counters whether it's indoor/outdoor running/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.KNOW YOUR SLEEP : Automatically monitor sleep at night,record sleep duration,analyze sleep data and sleep depth LARGE CAPACITY : smart ring capacity:15mAh,3-7 days ring single use time.The built-in battery in the charging compartment canstore power can independently charge the device about 10 times whenfully charged.Convenient to carry and use when going out IP68 WATERPROOF SMART RING : Wear it without restraint,you can wear it when you sweat,wash hands(Do not soak in hot water or sea water).Built-in sports game function,when you wear the ring to follow the movement beat of our fitness coach,so that health and entertainment combined FIND YOUR SIZE : US8 (Ring inner diameter:18.1mm/0.71",Ring circumference:56.8mm/2.24"),US9 (Ring inner diameter:18.9mm/0.74",Ring circumference:59.3mm/2.34"),US10 (Ring inner diameter:19.8mm/0.78",Ring circumference:62.2mm/2.44"),US11 (Ring inner diameter:20.6mm/0.81",Ring circumference:64.7mm/2.54") MULTIFUNCTIONS:
- Pedometer:Steps,Calories,Distance
- Heart Rate Monitor
- Sport Modes
- Sleep Tracker
- Long Battery Life

HARDWARE:
Bluetooth:5.1
Charging Type:Magnetic Charging
Full Charge Time:About 1 Hour
Ring Battery:15mAh
Charging Cable Battery:200mAh (charging times approx:10 times)
Standby Time:One full charge gives you(3-7 days of working time)

iOS 11.0 or above,Android 6.0 or above

Ring Material:Stainless Steel

Packaging Accessories:
Smart Ring*1
Manual
Charing Cable*1

RING SIZE:
US8 (Ring inner diameter:18.1mm/0.71",Ring circumference:56.8mm/2.24")
US9 (Ring inner diameter:18.9mm/0.74",Ring circumference:59.3mm/2.34")
US10 (Ring inner diameter:19.8mm/0.78",Ring circumference:62.2mm/2.44")
US11 (Ring inner diameter:20.6mm/0.81",Ring circumference:64.7mm/2.54")
Weight:3.5g

- IP68 Waterproof
- DO NOT suitable for hot water bathing,diving,swimming,water-related work.

Any questions,please kindly contact us,we would always offer best solution to you.