Display: 1.28″ Full Round LCD Color Screen (240 x 240 resolution) Touch Interface: Full touch screen for intuitive navigation Bluetooth 5.0: Seamless connectivity with your smartphone GPS Support: Uses your mobile phone’s GPS for activity tracking Battery Life: Up to 10 days of usage, 45 days of standby with a 200mAh battery Waterproof Rating: IP68 – splashproof and shower safe Build: Stylish metal case, plastic back, and comfortable silicone straps Compatibility: Android 5.0 / iOS 9.0 | Supports Google Fit & Apple Health Health & Fitness Tracking: 24/7 Heart Rate Monitor (VC31 Sensor) Blood Oxygen Monitor (SpO ) Pedometer with step and calorie tracking Sleep Monitoring with a smart alarm Sedentary Reminder Multi-Sport Modes – 10 activity types Smart Features: Incoming call & message notifications with hang-up function Music control, weather display, and remote camera control Customizable watch faces via the app