Entire antimagnetic performance and noise suppression function. This item can fully avoid interference, you can place it as your will. Nonskid design. The bottom of this product design uses nonskid material to firmly hold itself. High-performance digital amplifier.Can offer you clear voice quality and wonderful music Support all 3.5mm audio devices and it is a perfect companion for your audio devices Use the clip-on design and the clamping range.0.2'- 0.7', you can clamp the speaker on the LCD screen by the clip.