The Huawei Watch 4 in Black combines cutting-edge technology with elegant design to offer a premium smartwatch experience. Featuring a sleek 46.2 mm stainless steel and aerospace-grade titanium case, this smartwatch stands out with its 1.5-inch LTPO AMOLED display, boasting a high resolution of 466 × 466 pixels for vibrant visuals and clarity. Designed to suit wrist sizes ranging from 140 mm to 210 mm, the watch weighs approximately 48 grams (excluding the strap) and is complemented by a durable black fluoroelastomer strap.

The Huawei Watch 4 excels in providing comprehensive health and fitness tracking with its array of sensors including an accelerometer, gyroscope, compass, optical heart rate sensor, ambient light sensor, barometer, temperature sensor, ECG sensor, and depth sensor. Its 5 ATM water resistance rating allows for use in shallow water activities, including swimming and free diving up to 30 meters. With advanced connectivity options such as NFC and Bluetooth 5.2, along with a variety of sensors for accurate health monitoring, the Huawei Watch 4 is designed to enhance your daily life and fitness journey.

Key Features:

• Premium Build Quality: Constructed with stainless steel and aerospace-grade titanium for durability and a high-end look.

• High-Resolution Display: 1.5-inch LTPO AMOLED screen with a resolution of 466 × 466 pixels for crisp and clear visuals.

• Comprehensive Health Monitoring: Equipped with sensors for tracking a wide range of health metrics including heart rate, ECG, temperature, and more.

• Water Resistance: 5 ATM rating supports water resistance up to 30 meters, suitable for swimming and shallow water activities.

• Long Battery Life: Up to 3 days of usage in standard mode, with ultra-long battery life mode offering up to 8 days of typical usage and 14 days under optimal conditions.

• Advanced Connectivity: NFC support and Bluetooth 5.2 ensure seamless connectivity with various devices.

• Comfortable Fit: Adjustable wrist size range of 140 mm to 210 mm with a lightweight design of approximately 48 grams (excluding strap).

Specifications:

• Dimensions: 46.2 mm × 46.2 mm × 10.9 mm (diameter of the decorative ring; screen and bottom case size excluding heart rate sensor)
• Wrist Size: 140-210 mm
• Weight: Approximately 48 g (strap excluded)
• Display Size: 1.5 inches LTPO AMOLED color screen
• Resolution: 466 × 466 pixels, PPI 310
• Watch Case Material: Stainless steel and Aerospace-Grade titanium
• Watch Strap: Black Fluoroelastomer Strap
• Sensors: Accelerometer, Gyroscope, Compass, Optical heart rate sensor, Ambient light sensor, Barometer, Temperature sensor, ECG sensor, Depth sensor
• Buttons: Home Button (Rotating Crown) and Side Button
• Charging Port: Wireless charging
• System Requirements: Android 6.0 or later, iOS 9.0 or later
• Waterproof Level: 5 ATM, Dive (up to 30 meters)
• Connectivity: NFC, Bluetooth 2.4 GHz, supports BT5.2 and BR+BLE
• Ambient Operating Temperature: 0℃～+35℃
• Battery Life: Typical usage under Standard mode: 3 days; Ultra-long Battery Life mode: 8 days for typical usage, and up to 14 days for given conditions

Conclusion: The Huawei Watch 4 in Black is a sophisticated smartwatch that merges high-quality materials, advanced health tracking capabilities, and modern design. It offers exceptional functionality with its comprehensive sensor suite and connectivity options, while its stylish build and comfortable fit make it an attractive choice for both everyday use and fitness activities. Whether you're monitoring your health metrics or enjoying its sleek aesthetics, the Huawei Watch 4 provides a reliable and stylish solution for your smartwatch needs.