PowerRider Bone Conduction Wired Sports Headsets 31g Ultralight HD Stereo Sound Sweatproof Headsets with Noise Reduction Microphone (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> BONE CONDUCTION TECHNOLOGY transmits sound waves directly to the cochlea by vibrations， frees ears and protects hearing. </span></li><li><span class="a-list-item"> WIRELESS stereo headphones. Connect them to your mobile phone via Bluetooth for calls or music </span></li><li><span class="a-list-item"> LONG BATTERY LIFE. Up to 10 hours in playing mode and up to 15 days in standby mode! </span></li><li><span class="a-list-item"> LIGHTWEIGHT and SUPER FLEXIBLE. The flexibility of the frame will allow people with different head shapes comfortably wear these headphones without the fear of dropping them even doing physical exercises. </span></li><li><span class="a-list-item"> WATERPROOF IPX5 grade. These headphones are not afraid of rain or even a quick shower! </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31iz9rVowpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416kpIJUrHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41PUUBKJ89L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41E--e76hdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31lsLevUq%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/216175SeiVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Ybvvcq4WL.jpg" noproxy>