- Color Classification: Silver Regular Edition Volume Adjustment Silver Standard Edition + Charger Black Regular Edition Volume Adjustment Black Regular Edition + Charger Black Upgrade Reverb Version Silver Upgrade Reverb Black Upgrade Reverb + Charger Silver Upgrade Reverb + Charge device
Reverb With the volume adjustment gradually increased, No single reverb adjustment button. General version for teaching guides to use, reverb upgrade for square dance entertainment!
Do not buy to use in the mobile phone computer and other equipment, thank you! (Need your megaphone FM radio function, and a display can see the frequency, can we match this product with us Use, please know, do not buy the wrong, thank you!)