This portable ABS mini audio speaker is designed for education and public speaking. It comes with a wired microphone and has a compact design, making it easy to carry around. The speaker has a power output of 5W and a working voltage of DC 3.7V. It also has a battery capacity of 1200mAh, allowing for extended use. The speaker supports USB disk and TF card playback, and has a working temperature range of -5 to 40 degrees. It is suitable for education, guides, promotions, and meetings. The package includes the speaker, wired microphone, belt, battery, charging cable, and user manual.