【Large 1.91" HD Touchscreen】Featuring a vibrant 1.91-inch TFT-LCD display with 320x385 resolution, this smartwatch offers crystal-clear visuals and smooth touch controls for effortless navigation 【Bluetooth-compatible Calling & Alexa Integration】Make hands-free calls directly from your wrist and access Alexa voice assistant for weather updates, news, and local alarms with a long press of the physical button 【Comprehensive Health Monitoring】Track your well-being with 24/7 heart rate, blood oxygen, stress monitoring, and sleep analysis for a complete picture of your health 【100+ Sports Modes】Choose from over 100 exercise modes, including running, cycling, swimming, and yoga, with automatic exercise recognition and smart reminders for a tailored fitness experience 【Customizable Watch Faces】Personalize your smartwatch with cloud-based and wallpaper watch faces to match your style and preferences 【Long Battery Life】Enjoy 5-7 days of use on a single charge, with a quick 2.5-hour charging time via magnetic contact charging 【IP68 Waterproof】Designed to withstand water submersion, allowing for worry-free use during swimming and other water activities Specifications: Display: 1.91" TFT-LCD touchscreen (320 x 385 resolution) Lens: Glass Button: Aluminum alloy Bottom shell: Plastics Heart rate lenses: Transparent PC Wristband and Buckle: Silicone Tongue and Clasp: Plastics Screw: Stainless Steels Watch dimensions: 257.57 x 38.54 x 11.60 mm Body dimensions: 47.02 x 38.54 x 11.60 mm Bluetooth-compatible: BLE 5.3 Water Resistance: IP68 Operating Voltage: 3.8V Battery: 300mAh Lithium polymer Battery Life: 5-7 days Charging method: Magnetic contact charging Charging Time: Within 2.5 hours Sensors: PPG heart rate sensor, Three-axis sensor Compatibility: iOS 9.0+, Android 6.0+ Storage: 128Mb Nor flash Features: Microphone, Speaker, Motor, Full screen touch, Full code encoder crown Languages: English, German, Spanish, French, Italian, Japanese, Russian, Portuguese