Smartband K18 Waterproof 0.66" Heart Rate Monitor Sport Bracelet Fitness Tracker Smart Reminder make it not only an

make it not only an alarm clock

Improve body metabolism and immune function

Strengthen Immunity

DDNS Supported Phone Systems: android system

operate the mobile function and share the data by NFC wireless frequency communication technology

Smartband K18 Waterproof 0.66" Heart Rate Monitor Sport Bracelet Fitness Tracker Smart Reminder make it not only anProduct Features: Perfect Smartphone Companion 24 Hour Real Time Heart Rate Monitoring It is the basic function of heart rate monitoring device, to monitor data for 24 hours everyday. You can make a clear understanding of your own heart rate and check your health situation anytime & anywhere. IP68 Waterproof Performance Compared with other smart bracelet, its IP68 waterproof rating can completely resist raining, showering. Even we don't have to take