selling speaker audio rechargeable recording loudspeaker high sound high volume treble stall small horn megaphone

basic style rmb 1 large battery + voice recording promotion standard bluetooth-1 section large battery/support typing recording folding version-1 section large battery/real-time shouting/20w dual-warehouse dual-power-built-in dual-power/voice recording/35w dual power single warehouse folding-built-in dual power/shouting/recording 30w bluetooth folding-1 large battery + mobile phone typing upgrade dual power bluetooth-built-in dual power/support mobile phone typing usb flash drive-2 large batteries + card usb port abs all-around version universal two batteries/typing shouting + card usb flash disk experience red and black-1 small battery/shout for 1 hour

[loud voice + direct charging] 30-day free trial