Heart Rate Monitor， EiffleT Fitness Tracker Pedometers Sleep Monitor Activity Tracker for Android IOS Smartphone Bluetooth 4.0<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> ✔VITAL FEATURE: Light on Wrist Up.See daily stats， time of day with a bright OLED display. </span></li><li><span class="a-list-item"> ✔SINGLE KEY: Short Click and Long Press Control.Compatible iOS and Android System:Android 4.4 or above; iOS 7.1 or above. </span></li><li><span class="a-list-item"> ✔BLUETOOTH CALLING: Phone Call/SMS Reminder，Support Caller Name &amp; ID;App messages notification: Show Content of Facebook， Twitter etc. </span></li><li><span class="a-list-item"> ✔FITNESS TRACKER: Heart Rate Monitor， Pedometer， Distance track， Calories Counter， Sleep Monitor </span></li><li><span class="a-list-item"> ✔MULTI FUNCTIONGS: Camera Remote Control，Alarm Alert， Time Clock， Anti-Lost， Sedentary Alert </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41tgyYzUy8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Giw4gvdEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51EVQC9bf3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51HYHB08XlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61KMynuIDhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/512JGBd0qYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51eFv9A57kL.jpg" noproxy>