Pure and clear sound: As soon as you turn it on, it connects instantly (2.4Gbps). It 39;s equipped with a built - in DSP noise - reduction chip, which outputs clear original sound without noise or whistling. The 76MM anti - interference speaker can easily cover a space for a hundred people. It comes with a wireless microphone that supports free movement within 30 meters, suitable for both teaching and presentations, ensuring your voice is always clear and loud!Say Goodbye to Bulky Microphones: The new wireless lavalier microphone is designed specifically for teaching scenarios. Weighing only 10 grams, it offers a weightless wearing experience, eliminating the pressure and discomfort of traditional headset microphones. Delivering a 100 pain-free user experience, it ensures your entire teaching process remains effortless and unburdened. Whether you 39;re an educator enhancing classroom engagement or a speaker delivering a compelling presentation, this is your ideal choice.Innovative Magnetic Microphone: Equipped with a magnetic clip and dual-secure magnetic windscreen, it installs in seconds while effectively filtering environmental noise. The magnetic back clip also attaches to voice amplifier, preventing microphone loss.Ready to use upon activation, this clip-on microphone allows intuitive volume control and adjustment. Featuring a one-touch mute function, it adds flexibility for handling classroom situations, enabling you to teach comfortably and efficiently with full concentration!Intelligent LED Screen: The portable voice amplifier wireless microphone is equipped with an intelligent LED display that accurately shows the volume, working mode, time, and connection status in real - time. The parameter adjustment is sensitive and fast, and the operation commands are responded to immediately. It simplifies the complicated settings, providing an intuitive and efficient user experience.Multi - purpose in One Device: This portable voice amplifier wireless microphone can be easily paired with your phone iPad PC via Bluetooth or directly connect to a USB flash drive USB to play audio files. It also supports TF card playback, with excellent compatibility. Whether it 39;s for classroom teaching, corporate training, fitness guidance, guided tours, mall promotion activities, conference speeches, or outdoor performances, this device is a reliable assistant to enhance your communication and entertainment experience!Professional after-sales: If you have any questions, please feel free to contact us! The professional customer service team is online 7 days a week and will give you a clear answer within 24 hours. 1 to 1 technical customer service remote guidance. If there is a quality problem with the product, it can be replaced within 6 months, so you can rest assured throughout the process.