Vocopro ORANGE-300 Karaoke Includes AC adapter and Remote Control Innovative Battery Compartment Circuitry Design Allows You To Recharge Batteries Without Removing Them From The Unit (Rechargeable Batteries Not Included) Full-Function Remote Control Places All System Features Right At Your Fingertips MPX Audio Modes (Vocal Cancel/Partner) For Removing Vocals From Multiplexed Media Bass Boost Control For Extra Low-End Performance