The advantages of the portable microphone for teachers are clear and impactful. Firstly, it enhances vocal projection, allowing teachers to save their voices and maintain clarity even in noisy environments. Secondly, it fosters better student engagement as every student can hear the lesson without straining, thereby improving focus and comprehension. Thirdly, it offers flexibility and mobility, enabling teachers to move freely around the classroom while ensuring consistent audio quality. Lastly, with easy setup and maintenance, this microphone saves time and hassle, making it a practical investment for any educational setting. These benefits accumulate to not only an improved teaching experience but also a more effective learning atmosphere for students.