K8 waist high power loudspeakers only for teachers teaching guides in an opera FM radio

About Product:Factory outlets are widely used in classroom instruction, support for reverb, effect of realistic, versatile: +MP3 PA + radio songs, standby, supports USB direct read of memory card, charger, headphones, belt complete, suitable for: instructional, tour guides, exercises, small size, function, and fashion looks, high-quality double magnetic speaker, designed for loud, feedback-free. Quality aftermarket is guaranteed! You may rest assured that the purchased, have any questions, please feel free to communicate, for your escort