Lincass Health Smart Wristband Bluetooth 4.0 Pulse Wave Smart Bracelet Alcohol Monitor Heart Rate Monitor bracelet for iphone 5S 6 iOS/ Andorid (Grey) Sub-health monitor & Warning Monitor your sports, including walking distance, steps taken and calories burned, help you achieve your exercise goal Heart rate monitor Pulse wave based Sleep monitor , make your sleep quality visible Can accurately measure the heart rate. When you do sports, monitor your heart rate in 24 hours Acquire accurate exercise, sleep and other physiological data via pulse wave, physiological parameters, pathological info, real-time health monitoring