Nutek Bluetooth Speaker System: Bring the excitement to your next gathering with this speaker, which comes with a microphone that lets you sing along or make announcements. Bluetooth allows you to wirelessly stream tunes from a compatible phone, tablet or other device.
The first unit didn't work. Had to take back and wait two weeks for second unit. The one I have now when you use the battery and have blue tooth or the radio on there is no sound. You have to plug it in then switch to battery to make volume work. So you need a plug or you can't listen to it.