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!Features:1. Combination speaker - 1 main speaker & 2 side speakers.2. Superior Sound Quality: Enjoy your music through high-performance loudspeaker. Ensures enhanced clarity and fidelity.3. Rear 3 inch bass speaker lets out a superior bass sound. And the air guide in the front makes the bass sound steady and undistorted.4. Treble and bass independent adjustment, shows perfect interpretation of all kinds of music.5. Lightweight and portable, convenient to carry. Suitable for cellphone, tablet, laptop, PC, desktop computer and other audio devices.Specifications:Model: D-202Color: Black, White (Optional)Material: ABSConnection: USB 2.1 WiredAudio Cable Length: 1mAudio Port: AUX 3.5mmUSB Cable Length: 1mPower Supply: DV 5V & USB 5VAdjusting Knob: Volume, Treble, BassOutput Power: 3WSize: Approx. 95 * 115 * 128 mm (Main Speaker), 62 * 63 * 75 mm (Side Speakers)Suitable for: Cellphone, tablet, laptop, PC, desktop computer and MorePackage Weight: About 550gPackage List:1 * Main Speaker2 * Side Speakers1 * Manual(Other items in the pictures are not included.).Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.