Smart Watch-Messages NotificationWhen your phone receives an incoming call or message, It will vibrate and display text so you can read it directly. Don't worry about missing any important information.Intelligent Watch-Long battery lifeThe smart watch takes about one hour to fully charge. The standby time is up to 100 hours. IP68 WaterproofThe waterproof design keeps the fitness tracker safe for use in the shower, waterpark, rain, or other water activities.Heart-Rate Monitor Accurately track your heart rate in real-time with the built-in PPG sensor. Get training mentor with six heart-rate intervals data.