Bluetooth 4.1 Built-in HD Microphone with CVC6.0 Noise Cancellation Technologyreduces outside noises and ensures Stereo Music Sound and Strong Signal.</br>Sportbuds Bluetooth Stereo HeadsetLightweight intelligent magnet at earplugs end to make whole Wireless Headphones as a circlehang like a necklace around your neck.</br>IPX7 Waterproof Headset In-Ear Sports Headphones for swimmingrunning water proof protection.Also Provides protection from raindustdebris and sweat.</br>Up to 10 hours of listening timePlus up to 1-2 weeks of standby time on a full 2-hour charge for extended operation.</br>Bluetooth enabledWireless headset with Volume Control;answer or end callsactivate Voice Controlskip tracks with a smart built-in in-line microphone.</br></br>Product Description</br></br><p><b>Warning: The language switch function Please long press the volume '+' '-' button for 5 seconds before connecting to the device.It can change the language.Thank you! </b></p><p><b>Spectacular Sound Wireless Handsfree Headphone</p></b> <p>Our noise cancellingBluetooth Earbuds In-Ear design not only features the deepest bass and <br>clearest treble for listening to your favorite tunes??<br> they also offer a built-in microphone for answering phone calls and a control to pause??adjust<br> volume