Large 1.91 HD TouchscreenFeaturing 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 Calling amp Alexa IntegrationMake 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 MonitoringTrack your well-being with 247 heart rate, blood oxygen, stress monitoring, and sleep analysis for a complete picture of your health 100 Sports ModesChoose 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 FacesPersonalize your smartwatch with cloud-based and wallpaper watch faces to match your style and preferences Long Battery LifeEnjoy 5-7 days of use on a single charge, with a quick 2.5-hour charging time via magnetic contact charging IP68 WaterproofDesigned 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 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