This is the Bluetooth portables speaker. Multimedia speaker with remote controlled 1 wireless microphones rendering high volume & power output of 60W with an inbuilt speaker & battery, AC/DC operation. High-frequency FM receiver, LED display, USB/AUX functions & guitar Input. Introducing MX Audio trolley speakers with Bluetooth, SD Card, USB connectivity, FM Radio features. It is useful for birthday parties, Class rooms, karaoke singing, clubs & resorts, banquet Hall, religious places/ halls and many more indoor / outdoor functions / get to gathers.