Basic Information Display Size: 1.28” (round) Resolution: HD Touch: Yes Battery Capacity: 270mAh Autonomy (typical daily use): up to 10 days Autonomy (basic use): up to 45 days Charging method: Magnetic Connectivity Bluetooth 5.0 Material body material: metal alloy Strap: Silicone (interchangeable 22mm) OS Android 5.0 or higher, iOS 10.0 or higher SpecialFeatures 5ATM Water Sensor PPG heart rate sensor SpO2 sensor Accelerometer Supported Apps/ Software Mibro Fit APP Others Incoming call alerts and notifications (via Bluetooth) Remote control of music and camera (via Bluetooth) Find phone (via Bluetooth) Health monitoring (24/7 heart rate sensor, SpO2 level, sleep monitor, breathing exercises) Daily activity record with 20 sports modes (calorie counter, steps, distance, etc.) Weather forecast Wake-up/Alarm Alerts for a sedentary lifestyle Exterior Dimension 45 x 45 x 9.8 mm Weight 42 g (Including Strap) Color Black Warranty Information Warranty 06 Month Warranty (Must Claim With Box & All Accessories)