Description: This is a professional speaker with superior sound quaility, composed of 1 main speaker and 2 side speakers. This speaker will let out a steady and undistorted bass sound. And you can adjust the volume, bass and treble by rotating the knobs, this speaker will create different atmosphere when playing different kinds of music. It may be a perfect companion for your cellphone, tablet, laptop, or desktop PC! Specifications: Brand: For SADA Model: D-202 Color: Black, White (Optional) Material: ABS Connection: USB 2.1 Wired Audio Cable Length: 1m Audio Port: AUX 3.5mm USB Cable Length: 1m Power Supply: DV 5V & USB 5V Adjusting Knob: Volume, Treble, Bass Output Power: 3W Size: Approx. 95 * 115 * 128 mm (Main Speaker), 62 * 63 * 75 mm (Side Speakers) Suitable for: Cellphone, tablet, laptop, PC, desktop computer and More Package Weight: About 550g Package List: 1 * Main Speaker 2 * Side Speakers 1 * Manual (Other items in the pictures are not included.) See more?100% Satisfaction Guarantee?This set of wired combination speakers is available in black and white,If you have any questions or dissatisfaction with the product, please feel free to contact us, we will provide you with the best solution. Your satisfaction is our greatest concern. ?Wide Range Of Applications?This PC combination speaker is light, portable and easy to carry. Suitable for audio equipment such as mobile phones, tablet computers, notebook computers, PCs, desktop computers, etc. ?Independent Adjustment Of Treble And Bass?This set of wired combination speakers is equipped with a 3-inch woofer at the rear for excellent bass. And the front wind guide device makes the bass sound stable without distortion. The whole set of speaker equipment is equipped with independent adjustment of treble and bass, rotating knob adjustment, perfect interpretation of all kinds of music. ?HIFI Sound Quality?This portable computer speaker has excellent sound quality. The combination of the main speaker and 2 side speakers enhances the clarity and fidelity of music, and enjoys music through dual high-performance speakers. ?High Quality 2.1 Combination Speaker?This USB 2.1 combination speaker is a professional speaker with outstanding sound quality. It contains 1 main speaker and 2 side speakers. It has both a thick woofer and a stereo unit.