Rasse Bluetooth Hat Wireless Unisex Knit Beanie Cap With Built- in Stereo Headphones and Earphones for Sport Running Walking<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Keep your head warm and at the same time listen to music and answer the phone </span></li><li><span class="a-list-item"> The bluetooth hat compatible with almost all bluetooth enable devices such as smartphone， iPhone， iPad， tablet， Android， MP3， MP4， digital media player etc. </span></li><li><span class="a-list-item"> Washable Earphone Hat With Excellent Battery Performance- With built in rechargeable Li-Ion battery. </span></li><li><span class="a-list-item"> Stretchable high quality knit material to fit all sizes and shapes. </span></li><li><span class="a-list-item"> Wireless range up to 33 feet (10 meters) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51QSCQJQB9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41l%2B2gV74cL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/517y5QBC-aL.jpg" noproxy>