Featuring 1 or more specially driven bass units, this sleek soundbar is easy to place in any corner of the room. With the ability to create a unique atmosphere of lighting, it's perfect for setting the mood during any occasion. Specification:Volume adjustment: knobHorn efficiency: 3W*2Connection mode: /wiredHorn specifications: 2 "40 magnetic horn -diaphragmEnergy supply: USBCable length: about 100cm/39.37 inchesGross weight: about 480gProduct size: about 8x7x40cm/3.15x2.76x15.75 inchesPacking List:1 * Computer Bar AudioNote:Due to different lighting and screen settings, the item color may be slightly different from the picture.Due to different manual measurements, please allow a 1-2cm difference in size.