Waterproof grade:IP68 Screen:1.28 inch Pedometer:Yes Calorie counter:Yes Heart rate:YesFeatures: * 1.3-inch IPS high-definition full-fit round screen * IP68 Waterproof * Alloy CNC process,electrop more→lated anti-fingerprint reinforced mineral glass mirror * Food grade silicone strap * Chipset: Bosch421 * Bluetooth Version: 4.0 * Heart Rate/Blood pressure/Blood oxygen/ECG * Multip watchface for choosing * food grade silicone strap * Major function: Heart Rate, Blood Pressure, Blood Oxygen, Pedometer, Stopwatch, Clock, Music Control, Weather, Notifications push, SMS alerts push, sleep monitoring, sedentary reminder, Multip sports mode, call remind Specifications: * Chipset No.: MTK2502