100% brand new and high quality External dimensions 45*38*10.8mm Finish Stainless steel face shell + spherical semi-transparent glass + pumpkin type pressed + plastic material sparkle pattern + stainless steel mesh belt Hardware parameters CPU nRF52832 Memory ROM 512KB + RAM 64KB + external 64MKbit flash Display 1.04inch, 240(H)*RGB*198(V)Dots Touch screen Single touch Bluetooth Ble4.0 Battery 120mAh polymer battery. Standby: >15 days. Normal use Use: >5 days. G-sensor support Heart rate Support Motor Support Buttons On/off button Function parameters Clock display Multiple display screens, switch freely; click and long press to switch at will. Sports modes: running, walking, hiking, cycling, swimming, table tennis, basketball, badminton, football Pedometer Pedometer, calorie count, mileage record. Stopwatch Stopwatch timing function prolonged sitting reminder prolonged seat reminder. Sleep monitoring Sleep quality monitoring. Bluetooth push messaging. SMS push messaging. synchronisation of time settings. Product selling points 1. Wrist flip bright screen wearable hardware + smart APP + big data cloud service 2. Monitor changes in health values, discover and detect health data, display risk conditions and assess results 3. Full dial display (with second hand), customizable screen saver setting meter 4. Heart rate detection, detect your heart rate and adjust your exercise anytime, anywhere. 5. IP68 waterproof, life and sports without worry 6. Physiological period reminder, give you intimate care Products include. 1*smart watch Note: 1. Different monitors used 1. Different monitors used, different computers, different camera angles, there may be angle colour issues. 2. Purely manual measurement, there may be 0-1cm error.