... in 1000 cbm space, 3:Support USB/TF card4:With remote control5:the Audio input jack ... guide, public entertainments, sales improvement, etc..2.with digital reverberation function, 6 super band equalizer: POP ... ,BASS,FLAT..3.with 4.3inch TFT HD corlorful LCD screen, TF/USB with FM,MP3,MP4, ... MP5 music, vedio, FM, Photo, ebook,etc play function.4.supoort several country languages.5. with ...