CORN USB Powered Computer Speakers System (X7 Black) for Gaming/Music/Movies, Active Multimedia Stereo Subwoofer for Laptop/Desktop/Lenovo/HP/ThinkPad/IBM/DELL/SONY/MACFEE/SAMSUN/ACER/Microsoft/PC

Excellent Sound: Double vibrating diaphragms, subwoofer bass; 2 pieces IC in satellite speakers which will make treble output be clear and accurate. [If you like sub, please offer USB 3.0 Power Port. ]
Stereo Design: Subwoofer is from Main Speaker, treble is from satellite speakers. 2.1 Computer Speakers, usb powered speakers, you can freely combine three speakers with your mood. [If you like sub, please offer USB 3.0 Power Port. ]
Simple Set Up: USB Power DC 5V for portability, 3.5 mm jack aux output. Plug and Play. There is a Turn On/Off button and a volume knob. [If you like sub, please offer USB 3.0 Power Port. ]
Total RMS Power and Size: 9W(5W+2*2W). Subwoofer speaker 5W ( 4.1 * 6.1 * 3.9 inches), satellite speakers 2W*2 ( 3.9 * 2.6 * 2.6 inches/each). Turn your desktop computer or laptop into the ultimate sound system. These USB Powered Computer Speakers from CORN will fill the room with your music, movies, or computer games. Why choose CORN X7 Computer Speakers? Great Stereo Sound experience -- Human auditory nerve can differentiate the sound's source and direction, Shocking bass from the front, accurate treble with low distortion from the sides. -- enjoy your music. Simple Design Simple Set Up Scratch-resistant surface * Double Vibrating Diaphragms
Subwoofer: Double vibrating diaphragms on the front and back of main speaker, bring subwoofer bass effect when the speakers are working. If you like subwoofer, please plug USB cable into USB 3.0 Port.
Vibrating Diaphragm: a diaphragm vibrated by a source of energy beats against the air, creating sound waves, shocking bass effect. *Each Satellite Speakers with IC Control Treble accurate,
Low distortion --With separate IC control in each satellite speakers, --make midrange tweeter more accurate, clearer outputs and lower distortion. * How to use Simple Set up 3.5 mm jack of the satellite speakers into the main speaker. Plug directly the USB cable into your device or the wall adapter. Just plug the 3.5 mm jack of main speaker into your audio device and you are set. (The subwoofer is great when the USB Powered pluy directly into USB 3.0 port. ) Simple Control
Turn ON/OFF: turn on, the indicator light is blue.
Volume Knob: turning knob, control volume. LED
Indicator Light: blue - working, or no.