The Samsung Galaxy Watch 4 is a significant model in Samsung’s smartwatch lineup, as it marked the first time Samsung collaborated with Google to integrate Wear OS with its own custom skin, One UI Watch. This watch is known for its comprehensive health features, sleek design, and robust performance. Here’s a detailed overview:

Samsung Galaxy Watch 4

- Design:

  - Size: Available in two sizes: 40mm and 44mm for the standard version, and 42mm and 46mm for the Galaxy Watch 4 Classic.

  - Build: The standard Galaxy Watch 4 features an aluminum case, while the Galaxy Watch 4 Classic comes with a more premium stainless steel case and a rotating bezel for navigation.

  - Display: It features a Super AMOLED display, providing vibrant and sharp visuals. The 40mm version has a 1.2-inch screen, and the 44mm version has a 1.4-inch screen. Both sizes support an always-on display mode.

- Weight:

  - 40mm version: Approximately 25.9 grams (without the strap).

  - 44mm version: Approximately 30.3 grams (without the strap).

  - 42mm Classic version: Approximately 46.5 grams (without the strap).

  - 46mm Classic version: Approximately 52 grams (without the strap).

- Performance:

  - Powered by the Exynos W920 Dual-Core processor.

  - Comes with 1.5GB of RAM and 16GB of internal storage, ensuring smooth performance and sufficient space for apps and media.

- Operating System:

  - The Galaxy Watch 4 is the first to run on Wear OS 3, developed jointly by Samsung and Google, with Samsung’s One UI Watch interface on top. This allows access to a broad range of apps via the Google Play Store and deep integration with Google services.

  - It seamlessly integrates with Samsung’s ecosystem, including Samsung Health, SmartThings, and more.

- Health & Fitness Features:

  - The Galaxy Watch 4 is equipped with advanced health monitoring tools, including heart rate monitoring, ECG, blood pressure monitoring, and SpO2 (blood oxygen level) tracking.

  - One of the key features is the Body Composition Analysis (BIA) sensor, which measures metrics like body fat percentage, skeletal muscle mass, and more.

  - It supports over 90 workout modes, automatic workout detection, built-in GPS, and advanced sleep tracking.

- Battery Life:

  - The battery life typically lasts up to 40 hours, depending on usage.

  - The watch supports fast wireless charging, allowing for quick top-ups.

- Connectivity:

  - Supports Bluetooth 5.0, Wi-Fi, NFC, and optional LTE variants for standalone connectivity.

  - The watch also includes Samsung Pay for contactless payments via NFC.

- Water Resistance:

  - The Galaxy Watch 4 is water-resistant up to 50 meters (5 ATM), making it suitable for swimming and water sports.

  - It also meets MIL-STD-810G durability standards, making it tough enough for various outdoor conditions.

- Customizability:

  - The Galaxy Watch 4 offers a wide variety of customizable watch faces and interchangeable bands, allowing users to personalize their smartwatch.

The Samsung Galaxy Watch 4 is a versatile smartwatch that caters to a broad range of users, from fitness enthusiasts to tech-savvy individuals. Its integration of Wear OS with Samsung’s ecosystem and its comprehensive health features make it a strong contender in the smartwatch market.