Amplificateur vocal sans fil Bluetooth, portable, adapté aux cours magistraux, compatible avec les cartes TF, affichage numérique, clair et fiable.

This portable megaphone for teachers features a 1200mAh rechargeable personal microphone PA system with a built-in speaker, suitable for teachers, training sessions, meetings, tour guides, yoga, classrooms, and other occasions. Compact size, powerful sound. This personal megaphone is small and lightweight, yet boasts a powerful 5W output, delivering clear, noise-free sound. The microphone speaker volume is sufficient to cover large rooms of 25-100 people. Stable performance effectively amplifies your voice while protecting your throat. It's an ideal portable megaphone for teaching, training, coaching, tour guiding, commercial presentations, outdoor speeches, and other occasions. This multi-functional teacher microphone, designed specifically for classroom teachers, supports MP3 playback, TF card playback, and USB flash drive playback. The portable microphone headset allows for single-track loop playback and song switching. This portable microphone/speaker also features a 3.5mm jack for wired speaker use. This 2200mAh rechargeable voice amplifier features a built-in 1200mAh high-capacity lithium battery, allowing a portable speaker with a microphone to be fully charged in 4-6 hours, while providing up to 20 hours of amplification and up to 13 hours of music playback. The comfortable and portable headset microphone is lightweight and adjustable.