It is a far reaching revolution to traditional small and medium-sized conference hall (room) lecterns, churches and various schools and the existing large and medium-sized classroom audio electrified systems, integrating multiple functions with modern high-tech electronics and acoustics technology, becoming a product with high technology content and Bluetooth wireless transmission function. It is safe, convenient, effective and cost-effective. This product integrates various features such as energy saving, environmental protection, resource saving and portability. With USB interface, you can connect it with MP3 to play music. The height of the lectern can be electrically adjusted according to the height of speaker which is very flexible. This 'intelligent audio lectern' product replaces the complex connection system and expensive cost and hardware installation of previous conference systems that require mixers, amplifiers, microphones, speakers, peripheral equipment, racks and so on.