Fitness Tracker Smart Band Bracelet Watch Activity Tracker Waterproof Bluetooth Wristband with Heart Rate Monitor Pedometer Sleep Monitor Calorie Counter Blood Pressure for Phones Heart Rate,Sleep Monitoring: The activity bracelet can monitor your heart rate to help you do exercise scientifically and accurately monitor total effective sleeping time and motions every night, you can better understand your sleeping quality All-day Activity Tracking: Accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status.Muti- sport modes to choose as your wish, such as, walking, running, cycling, etc.Connect with mobiles GPS, you can check your real-time route in the App. Other sports data and sleep data can be also checked in the App. See Calls & Messages on Your Wrist: Receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display; never miss the messages that matter Built-in USB Plug: Easy to charge with any USB block and computer; no charging cable and dock needed; one single charge gives you up to 7 days of working time Warranty:Lifetime worry-free product guarantee which ensures long-lasting enjoyment of your smart watch.we promise you every quality smart watch and friendly customer service. it is suitable to your lover as surprise gift