With our unique design, a comfortable and stable user experience is achieved through the use of our custom ear bud fitting options.</br>Our product is IPX6 compliant to achieve waterproof & sweat-proof use & ensure complete functionality through rigorous use such as exercise.</br>Simple to use. It's convenient and easy to control music or answer a phone call during use. Our headphones also support some voice broadcasting such as 'Siri' with iPhones with most iOS updated devices.</br>Included DSP noise reduction technology results in clearer calls and excellent sound quality without any type of echo.:A2DP technology ensures the utmost user enjoyment through rich, tight bass & crisp, sharp treble highs through our powerful speakers.</br>Bluetooth can be connected to two devices simultaneously within a range of 10m (nearly 33 feet). Automatic screen display for the battery is available for most iPhone and Android platforms.Extended operation time with up to 8 hours for listening, 6 hours of talk-time and 220 hours of charge in standby mode.</br></br>Product Description</br></br><b>Description</b><br> Features and benefits of YIHUAN Bluetooth Headphones:<br> ? Premium sound with rich, tight bass & crystal clear treble<br> ? Delivers up to 7 hours of use with a full charge<br> ? Comfortable and secure fit with an ergonomic design and multiple ear tips to ensure a customized fit for anyone.<br> ? Premium sweat-proof design<br> ? In-ear noise reduction with DSP technology<br> ? Latest 4.1 Bluetooth technology<br> ? Universally compatible with smartphones, tablets, laptops, and more!<br> <br> <b>Package Includes</b><br> ? Bluetooth Headphones <br> ? Small, Medium, and Large Ear Bud Tips <br> ? Micro USB Charging Cable<br> ? User Manual <br> ? Cord Management Clip <br> <br> <b>Statement:</b> We provide customer service and troubleshooting for our products sold through Amazon. <br> <b>The Most Revolutionary Toughness</b><br> We designed the WINGMAGER U12 so that it can withstand even the toughest environments. The earbuds are made from Aviation Grade Aluminum-Magnesium-Alloy which doesn't add weight. Thanks to LiquipelTM Nano-Coating the WINGMAGER U12 can be dropped into water and will live to see another day! (not for swimming)<br> <br> <b>We're doubling the length of Amazon's Guarantee!</b> <br> 30 days is good, but 60 days is even better. No questions asked, no strings attached. <br> <br> <b>We have only Limited Stock Available and expect it to be Sold Out Real Quick Go to the Top of the Page, click the Add-to-Cart-Button and Order Your Set Right Now, Before they are All Gone!</b></br><br/>http://www.amazon.com/gp/product/B06XCJPXLX