Smart Ring Health Rings Waterproof Heart Rate Monitor Step Calorie Counter Pedometer Distance Sleep Tracker Long Battery Life Sports iOS & Android Smart Rings for Men Women

Functions: - Pedometer:Steps,Calories,Distance - Heart Rate Monitor - Sport Modes - Sleep Tracker - Remote Photography - Long Battery Life Hardware: Bluetooth:5.1 Full Charge Time:About 0.5-1H Ring Battery:18mAh APP:ECTRI Standby Time:One full charge gives you(5-7 days of working time) iOS 11.0 or above,Android 6.0 or above Ring Material:Stainless Steel Packaging Accessories: Smart Ring*1 Charging Cable Line*1 Manual*1 Charing Cable*1 Ring 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") Weight:4.5g - IP68 Waterproof - DO NOT suitable for hot water bathing,diving,swimming,water-related work.

• 【Exercise Tracker Smart Ring】Double layer meterial with tight process structure classic minimalist exterior design,combining fashion and intelligence.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.
• 【Battery Life & Charging】smart ring capacity:18mAh,5-7 days ring single use time.Integrated enclosed structure,waterproof and worry free safe charging,longer service life.Built-in wireless charging chip IC,the built-in battery in the charging compartment canstore power can independently charge the device about 5 times whenfully charged.Convenient to carry and use when going out.
• 【Real-Time Timer】Calculate the number of steps based on human body movement patterns,the swing in different states will be automatically recognized,recorded in the APP,customizeable sports goals can be set.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.