Bluedio AI (Air) Bluetooth 4.2 Wireless Sports Headphones， Sweatproof Running Earbuds with Mic(Red)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Bluetooth 4.2: AI adopts the latest Bluetooth 4.2， which has lower power consumption and higher performance， to allow the data transmission to be stable and fast. What’s more， it not only protects the quality when transmitting， but also intelligently compatible with Android， IOS， Microsoft and other devices. </span></li><li><span class="a-list-item"> 10mm moving-coil units: The 10mm full range mini driver， by adjusting the ratio of the front and back cavities and increasing the vent holes， to allow AI to come with a higher resolution. Thanks to our professional tuner， the mids and highs are clear and precise， the bass is thick and powerful. </span></li><li><span class="a-list-item"> Double cell design: Two high performance lithium batteries are placed on both sides of the headset to bring you endless music and talk time. In addition， the great design reduces headset size and balances the body weight of AI， so that users are able to have a more wonderful wearing experience. </span></li><li><span class="a-list-item"> Comfortable wearing experience: The sealed in-ear-canal design combining the ergonomic theory ensures AI can stay comfortably in your ears no matter how tough you workout is. </span></li><li><span class="a-list-item"> Lightweight: The portable design allows AI to be with you wherever your workout takes you. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Wm7i5qWnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Gxnnf4H%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GcLCgJtIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51G8VDyznPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Xd50HbbzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51mgFFbD81L.jpg" noproxy>