DYNASONIC Dynapro 15, Powerful professional speaker, USB/SD/AUX/MP3/2 Black microphones (1 Bluetooth, 1 wired), contains a karaoke mode

bluetooth speaker system with high battery capacity, integrated wheels and grip case that makes it completely portable, high audio power. 15-inch audio system with the latest tws technology, connectivity to another wireless speaker, instrument amplifier. bluetooth connectivity, usb/sd player, karaoke mode. accessories included: wireless microphone, headset, remote control and charger. power 27w rms, [similar to market models with 700-800w] , sound system equipment with large battery capacity (european type charger, need adapter), integrated wheels and a suitcase-like grip that makes it completely portable. rear panel for sound configuration: bass and treble control, echoes, playback control, input for microphones and instruments such as guitars.