Detailed Product Description
Applicable to all types of indoor and outdoor schools, teaching,
various types of organizations, of assembly, auction houses,
meeting rooms, guided tours, gymnastics demonstrations, a dance
studio, group activities, visits to explain, and exhibitions of
advertising, morning body movement, exhibition , shopping malls
commodity promotion.
*Protect teacher's voice,improve the quality of education.
*With good voice ,50-100 square meters space can hear clear.
* With endureable battery,easy change and
Ecnomic&Pro-environment.
*Made in highly strength ABS material,strong & sprawing.
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