Whether you are on the go or having a night on the town, the Active Pro call has everything you need. Compatible with iOS 11.4 and above and android 6.0 and above *Measurement results of this product are for reference only not for any medical use. Download App for Connectivity: Bluetooth connection to pair with App - Bluetooth Music* Bluetooth Connection also needed for Audio - Push Notifications - Music Player - Make and Receive Calls* - Heart Rate Monitor - Blood Pressure Monitor - Blood Oxygen Monitor - Find Phone - Watch faces Add on from App - Alarm Clock - Stopwatch - Step Tracker - Distance - Weather - Calorie Counter - Sleep Monitoring - Multiple Exercises - Timer