HiFuture x Smart Series ft. Never Back Down Unisex Casual Round Water Resistant Smartwatch Flex 2 Silver Elevate your active lifestyle with the HiFuture Flex 2 series smartwatch, featuring a vibrant 1.39-inch FHD IPS display with 360x360 resolution for crisp visuals. Stay connected with built-in Bluetooth calling directly from your wrist while comprehensive health monitoring tracks your heart rate, blood oxygen (SpO2), sleep patterns, and calories around the clock. With 100+ sports modes, IP68 water resistance for worry-free adventures, and a powerful 300mAh battery delivering up to 10 days of daily use in a stylish zinc alloy design. Compatibility Compatible with iOS 9.0 above / Android 5.0 above (HiFuture Fit) Wireless Capabilities Bluetooth Battery Capacity Approximately 10 days when fully charged Lens Acrylic Case / Band Material Metal case with silicone band Water Resistance Water resistant Case Size Thickness: 12.5 mm Diameter: 45.6 mm Length: 53.3 mm Lug width: 22.0 mm Display Size: 1.39 inches / 35.3 mm Type: FHD IPS touch screen Resolution: 360 x 360 pixels Other Specifications HiFuture x Smart Series ft. Never Back Down Wireless calling (make and receive calls on the go) Heart rate monitor (heart health during workouts, daily activities and at rest) Calories monitor (burning calories throughout the day) Step counter (daily progress towards health goals) Sleep quality monitor (deep sleep hours, light sleep hours, awake hours, REM) Blood oxygen level (percentage of blood saturated with oxygen) Music player (play, pause, skip songs and adjust volume) Weather report (weather, temperature, UV, humidity and future forecasts) Sports mode (walking, treadmill, outdoor cycling, yoga and more) Multi display (100+ watch faces exclusive collection) Remote camera (shake or press to capture photo) Smartphone notifications Phone finder 1/100-second stopwatch Countdown timer 8 daily alarms 10-digit calculator Regular timekeeping (digital display)