- Easy to use - Slide up the volume button to power on the voice amplifier. A two-second long press of the wireless lapel microphone automatically pairs and connects. Tap the button on the wireless microphone to disconnect; tap again to restore the connection. - Comfortable and efficient - The wireless lapel microphone clips to a collar or tie, eliminating headset discomfort. Lightweight design helps reduce teaching load and makes classroom instruction more comfortable and efficient. - Bluetooth 5.3 connection - Latest Bluetooth 5.3 chip enables quick connections to phones, iPads, and other devices for seamless music playback. Bluetooth name is S57; wireless transmission distance up to 20 meters. - Ideal for teachers - Portable voice amplifier with high fidelity, clear sound and no noise feedback. Suitable for classrooms with over 50 students, ensuring your voice is clearly heard and helping protect your throat. - Use scenarios - In large classrooms or assemblies where clear amplification is essential. - Outdoor tours, field trips, or training sessions requiring audible guidance. - Staff meetings or seminars with sizable audiences.