JVC Portable Bluetooth Boombox with Microphone - Black Enjoy powerful sound wherever you are with this JVC Portable Bluetooth Boombox with Microphone. Pair with your smartphone via reliable wireless Bluetooth technology, plug in your USB / microSD memory sticks or enjoy FM radio channels. Comes with a wired microphone for sing-along purposes. The speaker has a built-in rechargeable battery and comes with a USB charging cable for convenient charging.