Sharper Image SBT2003BK 2.1 Speakers With Subwoofer, Bluetooth Stereo System, Compatible With Computers The Compact Stereo Speaker System from Sharper Image is the perfect solution to amplify big sound in small spaces. The 2.1 Channel stereo sound system is comprised of two speakers and a subwoofer, three compact units made to fit any room. Its sleek aesthetic design makes this sound system ideal for desks, home offices, bedrooms, and more. Connect your phone or tablet seamlessly with Bluetooth, or use aux-in cables (included) to wire the subwoofer to a TV or a computer Bass and volume control knobs located on subwoofer. Package includes: Left and Right Speakers, Subwoofer, auxiliary cable, AC charging cord, user manual.