Pinwheel 2016 newly ET01 Smart Bracelet Heart Rate Monitor Bluetooth4.0 Android IOS Passometer Professional Waterproof Smart Bracelet Wristband(Yellow) Waterproof: IP67 professional waterproof for swimming. Heart Rate Monitor: Heart Rate Monitor in Dynamic and Static State. Pedometer,Sleeping Monitor, Anti-lost, Distence Measurement, Calorie Consumption Management, Exercise Management, Sedentary Reminder, Clock Display, call and message remind, alarm clock. Comfortable Wear: The device is very comfortable to wear as it is made almost entirely out of silicone and is very smooth. Attach it to your wrist is very easy as everything just sort of snaps into place thanks to the stretchy silicone material. High quality, 100% Brand New.