This product is digital portable amplifier, easy to carry, Small in size, show a clear voice, strong volume, the use of simple and low cost, schools, outdoor lectures, dance,tour guides,Conferencing,Picnics,Trad show promotions,Coaching, gymnastics demonstrations, outdoor activities, hiking guide, street selling, the square provisional assembly, speech activities, the exhibition guide, such as shopping malls to promote the supermarket is the best public address equipment users.
NI-MH Batteries can be recycled more than 500 charges.