KH Trolley Karaoke Bluetooth Speaker / 8? Portable Speaker System / 200W RMS / 400W Max. Output/Built-in USB Player with Recording/Rechargeable 400 W Bluetooth Soundbar  (Black, Stereo Channel)

Trolley Speaker with wheels for ease carrying with inbuilt battery. All-in-One Trolley Type PA Personal DJ System is a Rechargeable Portable Amplifier 8" Multimedia Speaker with Remote Controlled 2 Wireless Microphones creating High Volume & power output of 40 W with an inbuilt speaker & battery, AC/DC operation, high-frequency FM receiver, USB/AUX functions & Guitar Input. Rider 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. You can also connect your guitar and wired mic with it. It has up to 4-5 hours battery backup. You will get 2 wireless microphones free with this speaker."