Galaxy Watch 4

Sleek and modern minimalist design with digital bezel
Life Management, with LTE Connectivity
Advanced health features empower you to set new personal targets.

Fitness Content and Group Challenges with content partnerships and deeper integration
Continuous heart-rate monitoring and advanced sleep tracking
Oxygen measurement
Activity tracking
Stress monitor
Bio Impedance Analysis (Body Fat, BMI, etc)


New OS: 
New 5nm processor which improves battery life and faster performance
Easily switch back and forth between apps
Bixby, Samsung Health, SmartThings, Samsung Pay