K1- Smart Fitness Tracker - Blue

Newest  Fitness Tracker k1 Smart Bracelet Real-time Heart Rate Monitor down to Sec IP68 Waterproof Smart Band Activity Tracker - BLUE

Recommended reason

• 24 hours PER sec sustained heart rate monitoring--UPGRADED fitness tracker can support 24 hours per second to monitor your heart rate, different from the past monitoring per hour; Monitoring your heart rate to help you do exercise scientifically and help you get a better understanding of your fitness level.
• IP68 waterproof grade--This smart band can be used for washing, showering, swimming, and even diving underwater.
• Sleep monitor--Synchronize your sleep time every night and analyze your sleep quality by the sleep trend graphs; Accurately monitor total effective sleeping time and motions every night, you can better understand your sleeping quality.
• Multi functions --Pedometer, Calories, Distance, Heart Rate Monitor, Sleep quality measurement, Call reminder, Alarm clock,Stopwatch,Search bracelet and so on, these amazing features are available, do not hesitate; App is more comprehensive, now it is updated version.
• Wide compatibility & Long-lasting battery--Full charge requires only 1-2 hours and the standby time can be up to 5-8 days with full power. App supports most smart phones with Bluetooth 4.0 or above including IOS and Android.
• Reminder many APP message