Common "S9 Ultra" Smartwatch Features:

• Display:
  • Typically a large, rectangular touchscreen display.
  • Sizes often around 2 inches.  
• Connectivity:
  • Bluetooth connectivity for pairing with smartphones.  
  • Some models include 4G/5G LTE connectivity via a SIM card.  
  • Wi-Fi capabilities.
• Health and Fitness Tracking:
  • Heart rate monitoring.
  • Sleep tracking.
  • Pedometer (step counting).  
  • Various sports modes.
  • Blood oxygen monitoring.
• Smart Features:
  • Notifications from smartphones (calls, messages, apps).  
  • Bluetooth calling.
  • Music playback control.
  • Some models run on Android, allowing for app installations.  
  • Some models have onboard cameras.
• Other Features:
  • Water resistance (often IP67 or similar).  
  • GPS for location tracking.
  • Customizable watch faces.