Heart Rate Monitor Tigerhu OLED Smartband Bluetooth 4.0 Fitness Tracker Sport Bracelet For Apple Ios Android<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>【Caller ID】Synchronous phone address book， call vibration and name number display， SMS， Facebook and other reminders， but also set the call a few seconds after the start to remind.</li><li>A【Heart Rate Warning 】It makes sport safer and more scientific，value， free set， easy to master their own heart rate range.</li><li>【Automatic sleep monitoring】Completely tracks your sleeping quality， effective to help you get the better rest at night.</li><li>【Swing Your Hand to Lighten the Screen】How to wake up the screen Only need to gently move， simple， cool enough， no buttons.</li><li>【System Requirements】Android 4.4 and above， IOS 7.1 or more， support for Bluetooth 4.0.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41QQzUXps1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51synWnZtmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41rYaTumvLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/411xT4v7DML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Z%2BmAcqkpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tmOAMJ9DL.jpg" noproxy>