Smart Features: Bluetooth Calling, Social Media/Text/Call Notifications, Voice Assistant, Raise & Wake Display, Weather Info, Photo Control, Do not Disturb mode, Find Watch, etc. Health Buddy: Keep an Eye on your Health with Smart Health Trackers, Real time Heart Rate Check, Real time Blood Pressure Check, Sleep Monitoring, Step Count, Oxygen Saturation and All your Exercise Data record. case thickness : 8 mm, diameter : 45 mm, Strap Width : 22 mm