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Wireless portable woofer with multi-colored flashing lights. Stream music wirelessly from Bluetooth devices. Features 6 control levels including Master volume, treble, bass, echo, mic VOL., guitar VOL. Built-in MP3 player supports USB and SD memory cards. Easy-to-use telescoping handle and trolley wheels. Includes built-in rechargeable battery (7.4V, 2.2a), 1 PC. Corded microphone, remote control, AC power adapter, DC cord. Features drivers: 1.5" tweeter + 15" subwoofer, peak music power output (pmpo): 3, 600W, and inputs: karaoke 6.3 mm mic, 6.3 mm guitar, line in (L + R).