Smart Band Little Black Heart Rate Smart Bracelet Bluetooth Introduction: This smart bracelet is a sports bracelet for sports lovers! Do you know how many steps you take, how many calories you consume, and how far you run? Don't worry, when you wear the bracelet to do exercises, all these data can be synchronized and analyzed on your mobile phone which helps you know your health data more clearly! It comes with TPU adjustable wristband and light weight features, you can wear it to do exercises such as running, climbing, etc. When you sleep, it will monitor your sleep. It can also wake you up by vibrating gently. To live a healthy life, buy it for yourself, parents and friends! It's our pleasure to help you live a funny and healthy life. Main Features: - Bluetooth Synchronization With Bluetooth 4.0, this smart watch is available for smartphones with Bluetooth functions. - Heart Rate Monitor It can dynamic-static monitor your heart rate, provide data for you at any time. - IP67 Waterproof The IP67 waterproof allows the bracelet to be held in the water for a maximum of 30 minutes at a depth of 1 meter. ( Don't wear the bracelet when diving ) - One Key to Camera Control your smart phone to take photos, catching every moment you want. - Calls Reminder When someone called, the watch will remind you via vibrating, so you will never miss them! - Sleeping Monitoring Accurately monitor total effective sleeping time and motions time every night, also APP will give you periodical evaluation, help you develop good living habits. - Sport Monitoring This smart watch can record steps, calories and distance. Let you know your sports data, adjust your exercise program and get a healthier life! - Intelligent Alarm Clock Wake you up every morning, will not be late for work; Remind you with vibration, never worry about missing anything.