General Features SIM Support No Bluetooth Calling Yes Voice Assistant Yes Strap/Band Silicon Water Resistant 50m water resistant (IP68) Modes Multiple sports modes Speaker Yes Compatibility Android Health Monitoring Features Heart Rate Monitor Yes Calories Burned Yes Sleep Quality Monitor Yes Step Tracker Yes Oxygen Level Monitoring Yes Connectivity Bluetooth Version V5.3 GPS Yes Display Screen Type Super AMOLED Screen Size 43mm Resolution N/A Battery Capacity Li-Ion 425 mAh Battery Life 2-3 days
