Gadget.Cool Line-in Mini Speaker - Using 3.5mm Audio Jack， Plug &amp; Play， Compact &amp; Light Weight Design， Powerful &amp; Clear Bass， Built-in Battery &amp; Micro USB Port， w/ Extra Bonus (black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Compact and light weight design， only a size of golf ball so you can carry it with you anywhere， 3.5mm audio compatibility </span></li><li><span class="a-list-item"> Premiun build quality with 3W output power， 27mm 8Ω speaker diameter offers your clear bass in a small body </span></li><li><span class="a-list-item"> Built-in 250mAh battery， for every 50mins charge you can use up to 6 hours play time， auto turn-off after 5 mins idle </span></li><li><span class="a-list-item"> Easy connection for day to day use， just plug in， turn on and play in 2 seconds， share music or movie with friends </span></li><li><span class="a-list-item"> Well-protected individual retail package， with an extra bonus of a multi-function phone wallet/phone stand </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41pftuw5SRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41L6JGS7fBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mcrwNFo0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Rh-y-uJIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51OEsPyAWlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418ka1joOzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412nLLTKjIL.jpg" noproxy>