Bluetooth Speakers with FM Radio, MP3 Player. Connect your smart phone with smart gadget the Bluetooth Speaker or play FM radio anywhere. It has built in rechargeable battery and can work thru 3.5 mm aux jack.Enjoy music with true sound that will fill your ears and enjoy hours of music on a single charge. Compatible with iPhone, iPad, iTouch, Samsung or your laptop or desktop. Power off and volume up and down buttons. SD card slot to play your MP3 music up to 32GB (SD card not included) Comes in vibrant colors with small footprint 2.5inch tall x 2 inch round small device and loud sound.