The SHIDU Acoustic Sound Voice Amplifier Loud Speaker is a versatile device that functions as a microphone, loudspeaker, and MP3 player. Its model, the M800, is designed to provide clear and powerful sound amplification for various purposes, making it ideal for office presentations, meetings, or any other project where amplification is needed. With the ability to connect to a projector or other audio equipment, the SHIDU amplifier offers convenience and flexibility in a range of professional settings. * see photo’s for details I have not tried this product