Features: Health Monitor: Accurately records heart rate, blood pressure, blood oxygen, and sleep data to help support a healthier lifestyle. Fitness Activity Tracker: Supports multiple exercise modes with comprehensive recording of workout data for more effective training. Smart Reminder & BT Calling: After pairing with your phone, the watch allows for call functionality and provides synchronized notifications for messages, calls, and social apps to keep you informed. Long-Lasting Battery Life: Equipped with a low-power Bluetooth chip, sensors, and a 450mAh rechargeable battery, offering 7-10 days of usage and 45-60 days of standby time. IP67 Waterproof: The sealed design withstands water splashes from hand washing, rain, sweat, and similar conditions, suitable for daily use in various environments. Multi-Language Supported: Supports multiple languages to meet the needs of users worldwide. User-Defined Watch Faces: Offers a variety of preset dials that can be freely switched to suit personal preferences. Parameters: Screen: 1.39" IPS Resolution: 360 x 360 Bluetooth: 5.0 Compatibility: Android 4.4 and above, iOS 8.0 and above Battery Capacity: 400mAh Working Time: 5-10 days Standby Time: 30 days App: FitCloudPro Languages: English, German, French, Spanish, Russian, Portuguese Specifications: Model: K52 Material: Zinc Alloy + Plastic Color: Black / Orange Water-Resistant Level: IP67 Dial Size: 50 x 50mm / 1.96 x 1.96in Dial Thickness: 13.2mm / 0.51in Strap Width: 22mm / 0.86in Item Weight: 70g / 2.46oz Package Size: 17 x 11 x 2.5cm / 6.69 x 4.33 x 0.98in Package Weight: 176g / 6.20oz Note: Please read the user manual before use. Slight measurement deviations of 1-3mm may occur due to manual measuring. There may be slight color variations due to lighting and shooting angles; please refer to the actual product. Package List: 1 x Smart Watch 1 x Charging Cable 1 x User Manual