Extensive compatibility & custom dialsP25 Smart Watch Compatible with most iOS 8.0 & Android 4.4 above smartphones. Download and install the Free "Da Fit" APP, Bind the smartwatch on the app, you can receive alerts of the SMS, incoming calls, and SNS(Facebook, WhatsApp, LinkedIn, Instagram, Twitter, and more)on this watch Accurate Fitness TrackerAndroid smart watch Supports 8 sports such as Walking, running, bicycle, Jumping rope, badminton, basketball, soccer, swimming. Accurately record all-day activities like steps, distance, burned, miles walked, active minutes. Comprehensive health monitoringP25 fitness watch automatically records your sleep activity, Deep sleep, light sleep, and awake duration, And provides a comprehensive sleep quality analysis. It also has the ability to monitor your heart rate, blood pressure. More Practical Tools & 1.7 HD touch screenSmart watch also features many practical tools, such as alarm clocks, stopwatch, timer, deep breather guide, music controller, sedentary reminder, adjustable brightness, find the phone. Perfect holiday gifts for family and friends. Ip68 Swimming Waterproof & Long-Lasting BatteryP25 smart watch is designed with an IP68 waterproof rating. Equipped with a 200mAh large capacity battery, this sports activity tracker can be used 5-7 days normal use after fully charged about 2.5 hours and the standby time is 30 days