Sudroid Smart Wristband Bracelet Bluetooth 4.0 with Sleep Tracker Health Fitness for Android IOS iPhone Samsung Intelligent Sports Watch Step Sleep Track Caller ID Display Black Light Weight;Touch design, Waterproof IP67;Cloud social circle interaction Movement monitoring;Sleep monitoring+Alarm clock reminder;Snyc Sports Data, Share with Friends Display Health Parameters;APP of the new revision;Synchronize Data;Caller ID and message Self-timer artifact;Looking for mobile phones;Sedentary Reminder Built-in USB Charging;Indicator Light;Light Weight