Easy to setup. 35mm stereo audio input interface,simply to be connected with computer, digital music player, mobile phone and other audio equipment. Just need plug in the USB for and audio for sound, and you're good to go. Small but Powerful. Powerful USB 20 computer speakers come with compact body,does not take up much space, can fit perfect on desk, designed as computer desktop speaker. Equiped with 6W speakers, deliver clear and powerful stereo sound. It's time to quit straining to hear your laptop's tiny speakers. The Line volume control humanization design allows you to adjust volume easily. When your laptop Notebook has gone into sleep mode, you can still adjust the volume without waiting for it to wake up. A thoughtful convenient laptop Notebook speaker AUX IN 35mm. Compatible with any audio output devices with 35mm jack such as Desktop, PC, Notebook, Mobile phone, , MP3/MP4 etc. A wise choice to enjoy it at home or office, listen to everything from movies, music, audio books, and various other things from to FB. Ultra Lightweight and Portable Laptop Notebook Speakers Color: black Material: ABS Output : 3W*2 Supply: USB Interface: 35 mm audio interface Channel: 20 channel Separation: Greater than 80dB USB Cable Length: 100 cm Aux In cable Length: 100 cm Dimensions: 75 x 55 x 58 cm Product Net Weight: 024 KG Package Contents: 1* USB Computer Speakers 1* Bulit-in USB Cable 1* Bulit-in 35mm Stereo Audio Cable 1* Box Package Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.