Onedayshop Bluetooth Wireless Knitted Beanie Built-in Stereo Speaker for listening music Hands Free Call Answer Hat (black2)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Use 100% Soft Acrylic，double knitted material ，the Latest Blutooth V4.2+EDR technology，fashion and keep your head warm without wearing headphones can listen to music </span></li><li><span class="a-list-item"> Built-in stereo speaker， avaiable for cell phone to transmit the speaking phone to you audio devicesdirctly so that the user can hand free answering phone up via the device. </span></li><li><span class="a-list-item"> Design simple atmosphere，more fashion trends，fully washable (Just remove the internal speakers from their pouches before washing) </span></li><li><span class="a-list-item"> USB charging interface，don't need to remove the bluetooth can be charge. </span></li><li><span class="a-list-item"> Bluetooth transmission distance of 10 meters，applicable to any device with bluetooth function </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41M23ZTdsgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51cJ0UimzPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Aa9ceItOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51u%2Bd1PvlRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51CQH9ez5oL.jpg" noproxy>