MD5000/03 is a portable device with micro computer. The appearance is elegant and ergonomic sound. The units are connected by the way of holding hands. Each unit is installed 2 DB9PIN sockets with lock; the units can be connected well.

Each unit is equipped with a unique ID, but it is adjustable. Moreover feedback can be minimized through AGU. Streamline cover includes 2-watt speaker, when participant is speaking; the built-in speaker is closed automatically. A gooseneck microphone with ring-shaped indicator is used 5-pin socket, that makes the users connect or disconnect conveniently.