Only need a USB port to charge, the speaker compatible with all 3.5mm audio interface devices, such as desktop computers, laptops, mobile phones, MP3, MP4, etc.
2.Professionally designed acoustic cavity structure:
Space stereo sound design allows you to enjoy high fidelity sound.
3.360° increase to the ground:
Playing music is, the bass booster constantly vibrates downwards, the low frequency sounds through the desktop, and the 360° spreads around.