Features: [Multifunctional Design] Bq-800 Multifunctional loudspeaker can work as a FM Radio function and MP3 Player(support TF Card playing).The included 2.2in display screen shows the channel frequency. [High-quality] Bq-800 is equipped with high-performance speaker and comes with Head-mounted microphone(working with the loudspeaker), and offers Loud sound and clear tone quality. And uses Reverb Control design makes your voice sound stereo. [Full Compatibility] Bq-800 is equipped with standard USB port, TF Card slot, Aux port and 3.5mm Microphone port, which is compatible with many mobile devices, such as, for Smarts Phones, Tablet PC, Notebook, Laptop, USB disk, etc. [Humanization Design] Comes with Aux output port design, After inserted headphone, allows you enjoy the sound without disturbing others. And comes with adjustable waistband fits most people. Buckle design allows to be hanged in different ways as you like. [Widely Use Design] Suitable for teaching, guided tours, training, fitness, radio, music, storytelling, etc.