WIRELESS BLUETOOTH HEADPHONES V4.1EDR: APT-X tech, it's conveniently and fast to pair the Bluetooth devices, and supports connect two devices at the same, and the Bluetooth headphones enable connect the devices up to 30 feet away.</br>CVC 6.0 NOISE SUPPRESSION TECHNOLOGY: The Bluetooth earbuds can cancel the noise on the ground, and it's true HD fidelity sound, you can immerse in your music, No matter how noisy it is, and no matter where you are.</br>COMFORTABLE AND SWEATPROOF SUIT FOR SPORTS: Ergonomic design and silicone ear hooks, Premium soft smooth silicone gel surface stop Water-Infiltration , so you can do sports for long times with music, and you never worry that headsets will drop from your ear and the sweat will damage it.</br>VOICE PROMPT AND LONG-LASTING USAGE: You can never miss a call, when you are listening to music with the Bluetooth headsets, because it can automatically reporting in-coming phone number. And the usage time is about 7 hours for music or talk, you can enjoy it for long time.</br>THE BEST AFTER-SALES SERVICE: 1 year manufacturer's warranty and 30 days no questions-asked return policy, and any question you have, please email us any time, we will answer you at first.</br></br>Product Description</br></br><p><b>Exactly What You Have Been Looking For BLUETOOTH HEADPHONES. </b></p> <p>1.   The Bluetooth headphone comes with interchangeable earbuds (3 types size) that fit to your ears. </p> <p>2.   When attaching the earphone, hanging like anecklace around your neckband, you can control your headset on or off at anytime conveniently. </p> <p>3.   There are lightweight and Special Sweat Resistanceon Bluetooth headphones that ideal for sports such as running, biking and soon.</p> <p>4.   If calling you, you could answer through the Bluetoothheadphones, you never miss the calling when listening to music by this device.</p> <p>5.   After a full charge, you can listen to music orcall with someone for 7-8 hours, You enjoy it for long time. </p> <p>6.   The best noise cancelling technology, filters out the surrounding noise andmakes your sound loudly and clearly.</p> <p>7.   Compatibility With all smartphones for Android or IOS, and Windows Phone Devices.</p> <p> </p> <p><b>Specifications: </b></p> <ul> <li>Color: Black, Red</li> <li>Bluetooth Version: Bluetooth 4.1 </li> <li>Audio Codec: Apt-X</li> <li>Cancelling Noise: CVC 6.0 Technology</li> <li>Operation Distance: Up to 10m/ 30ft (Free Space) </li> <li>High-quality Built-in Rechargeable Li-ion battery</li> <li>Music Time: 7-8 hours (The Music Volume will affect the time) </li> <li>Charge Time: About 1-2 hours </li> <li>Charge Port: Micro USB</li> </ul> <p><b>Package List: </b></p> <ul> <li>1* AMYSEN Bluetooth headphones</li> <li>1* Micro USB Charging Cable</li> <li>6 x Eartips</li> <li>1* Cable Buckle</li> <li>1* User Manual</li> </ul> <p><b>Your satisfaction is AMYSEN’s biggest motivation.THANK YOU!</b></p></br><br/>http://www.amazon.com/gp/product/B06XFDX56Y