New Bluetooth Headphone， Wireless 4.1 Retractable and Foldable Neckband Headset， Waterproof Fitness Earphone Built-in Mic with Different Size Earbud(Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> [Latest bluetooth 4.1 version] Combined with 6G CVC noise reduction technology， provide Hi-Fi stereo sound quality and strong signal. </span></li><li><span class="a-list-item"> [Vibration for incoming call] The right side of the headset will vibrate when phone calls coming， never miss any phone calls. </span></li><li><span class="a-list-item"> [Latest neckband style design] Newest foldable function added. No need to worry the headset break off when put in bag or pocket. Just one press to retract the earbuds. The headset cable can be adjusted to the best comfortable length. </span></li><li><span class="a-list-item"> [Easy to use] Just turn on the headset to bluetooth pairing mode， no need additional operation. Easy to change music and volume by the next and previous button. </span></li><li><span class="a-list-item"> [Outstanding battery life] 300 hours standby time， 18 hours talking time and 16 hours music play time at middle volume. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41dXFLDD2HL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/519bIPaoSWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Dyda41jvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51xDuYmaUEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UlTrDT1uL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51v5eHZXnLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FeMypYdZL.jpg" noproxy>