Smartby Wireless in-Ear Sport Headphone Sweatproof Headsets Hi-Fi Stereo Earbuds Secure Fit for Sport with Built-in Microphone<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Bluetooth: Studio-tuned audio with crystal clarity guaranteed. enjoy excellent sound performance from this comfortable， lightweight and sweat-proof in-ear headphone (range 32 feet; lightweight 0.5 ounce).</li><li>Offer up to 10 hours of play time， over 200 hours standby time， an entire week of commutes on a single charge.</li><li>Rain-， sweat- and dust-resistance means you can use them in all sorts of weather</li><li>2 Pairs of Silicone Ear Tips and 1 set of Sport ear wings fit themselves perfectly inside your ear. Don’t pop out while you’re running， cycling and hiking.</li><li>Experience with clear， natural sound that delivers incredible audio performance.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/411nyx26WHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41SIH5C9v5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41S8jiBGpNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31qar%2BR1MAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41hhiPBzRDL.jpg" noproxy>