How about jbz trolley stereo

jbz trolley sound good; sound loud, stereo super. General large-scale activities, square dance can be used; jbz trolley sound: outdoor high-power bass square dance sound mobile stage outdoor trolley bluetooth speaker, speaker trolley, service in one of the professional manufacturers, welcome to call to consult, Jingdong digital, technology, enjoy a safe and intelligent life, highlighting the taste of life