The SAKZNR D20 Smart Watch: Fitness and Health Tracker combines style and functionality, making it a perfect choice for fitness enthusiasts. This smartwatch features a heart rate monitor, blood pressure tracking, and activity tracking, all within a sleek 1.4-inch display. Compatible with both iOS and Android, it offers three days of battery life and life waterproof capabilities for convenience and performance.

Specifications:
- Activity Tracked: Steps, Sleep
- Battery Life: Three days
- Waterproof Grade: Life Waterproof
- Touch Screen: Yes
- Mechanism: Electronic
- Case Size: 1.4 inches