Professional Mini Portable Microphone Voice Amplifier for Teaching, Guide, Promotion Powerful and Clear Sound This mini portable voice amplifier features a unique mixed sound stereo system, delivering crystal-clear audio that is perfect for teaching, guiding tours, shopping mall promotions, performances, and outdoor activities. Enjoy high-quality sound that ensures your voice is heard loud and clear in any environment. High Power and Wide Coverage With an impressive 25W high power output, this amplifier can cover a range of up to 500 meters. Whether you are addressing a large group indoors or outdoors, your message will reach everyone effortlessly. Multiple Playback Options Fully compatible with USB 1.1/2.0 drives, TF cards, SD cards, and MMC cards, this device automatically detects and plays your audio files. Enjoy seamless playback without any complicated setup, making it easy to use for anyone. Versatile Music Modes Not just a voice amplifier, this device also functions as an MP3 speaker. Choose from six different music modes—POP, ROCK, Classic, JAZZ, Bass, and Flat—to suit your mood and enhance your listening experience. FM Radio Support Stay connected and entertained with built-in FM radio support. Listen to your favorite radio stations anytime, anywhere, adding even more versatility to this compact device. Portable and Convenient Designed for portability, this mini amplifier is lightweight and easy to carry, making it ideal for teachers, tour guides, presenters, and anyone who needs reliable voice amplification on the go. Upgrade your presentations and performances with this Professional Mini Portable Microphone Voice Amplifier—your perfect companion for clear, powerful sound in any setting.