Multifunction rotating Crown Blood-oxygen monitoring (Real SPO2-VC32 Real sensor), 24*7 Heart rate monitoring, Scientific Sleep Monitoring & Stress Monitor Inbuilt 10+ Watch faces & 100+ Cloud-based watch faces Bluetooth Calling: Answer and make calls with Bluetooth directly from your watch Call, Message and Social Media Notification Battery Runtime: Upto 7 days (300 Mah battery) Power Saver with Battery saver mode 5ATM water resistant Voice assitance, Multiple Sports Mode Ideal for Men and Women IML Coating on back