1.69 inch Full Touch Screen. TFT-LCD with 240x280 HD picture quality. 8 levels of brightness adjustment can be set to automatically adjust the screen brightness according to the light. The large screen and automatic brightness adjustment make it easy to view and access information quickly and at a glance.^ Sensor Monitoring: The PAH8009 sensor is used to detect our sports heart rate in real time, (not the value calculated by the algorithm) through analysis of the measured data, helping us master our daily calorie consumption, step counter watch and maintain healthy exercise habits (The watch cannot be used for medical purposes)^ Sports Watch: The sports tracker supports 12 sports modes to meet the needs of daily indoor and outdoor exercise, such as: running, climbing, swimming, cycling, skipping rope, walking, playing football, sit-ups, tennis, yoga, etc. After you set your goal, your exercise data is analyzed according to quantitative standards to prevent over-exercise.fitness watches for men women^ 5ATM Waterproof: You can wear it while swimming or diving. It is made of waterproof, breathable, sound-permeable membrane material and has been tested for water resistance up to 5 atmospheres. It can reach a depth of 50 meters and still not enter the water. Meet most of your usage scenarios without worrying about sweat and rain getting in, waterproof smart watch^ Ultra-long Battery Life: Using Grade A lithium battery, the battery life is longer than other smart watches (batteries are divided into Grade A and Grade B) high-performance battery with ultra-low power main chip, using the latest long battery life algorithm, the battery life is more durable. 2 hours of full charge can be used normally for 7 days, standby time up to 30 days.