【 Outstanding sound quality】Compared with other speakers, built-in diaphragm, the unique design makes the stereo sound more powerful and melodious. | 【Dismountable case】A clean interior is vital for the computer speaker, our laptop speaker can take the reticulated shell apart to clean the dust of inside, so that you can enjoy more durable high-quality speakers. | 【Plug and play】 The speaker is powered by USB. It can be directly plugged into the 5V charger power supply, such as computer USB. And then twist the upper turn-knob to control the volume. | 【Compatibility】Support most of the devices with 3.5mm audio jack. Compatible with PC, computer, TV, laptop, desktop, tablet, microphone, smartphone, projector, MP3, MP4, walkman, CD Player, radio. | 【Service】When you get the PHISSION computer speaker, you can acquire our friendly hassle-free 18 months replacement plus our lifelong maintenance service. It makes your purchase absolutely risk-free and pleasant.