Product features:[Full anti-magnetic noise reduction function] The unique cabinet and circuit design processing can avoid the interference of damping and high-frequency equipment in the cabinet to the maximum extent, and the audio effect is more realistic and perfectly restored.[Efficient digital amplifier] High-efficiency professional digital amplifier, clear and bright mid-high frequency, high resolution, rich details.[Original notebook clip] Clip on the LCD screen, fashionable and personalized[Wired control to adjust the volume] The humanized wire controller can easily adjust the volume and is easy to operate.[Support system] It can be connected to laptops, mobile phones, IPod, MP3, MP4, CD, PDA, etc. It is a fashionable companion for notebooks, digital audio and video products and handheld TVs.Product parameters:Product positioning: laptop and mobile phone audio systemSpeaker system: 2.0 speakerActive and passive: activeRated power (W): 2W+2W stereoFunction adjustment: volume adjustmentSpeaker unit: two 40mm nylon iron boron high-quality speakers, 4 ohmsAnti-magnetic function: full anti-magnetic designSpeaker size: 603090mm (single) 6030180mm (pair)Speaker weight: about 190gOther features: two 40mm nylon iron boron speakers, pure sound quality, notebook clip, stylish personality, compact sizeInput power: USB power supply ~5V, 500MA, 50HzInput interface: 3.5mm audio source interfacePrecautions when listening to the speaker:1. First, download some high-quality songs, otherwise if the song itself has noise, no matter how good the speaker is, he can't hear the good sound quality.2. For customers who say the sound is too low, remember to adjust the volume of the main control in the computer, the volume of the playback software, and the volume of the speaker line control. If adjusted properly, the volume of this model is very large. If it is not necessary, do not turn it up so loud, just adjust it to an appropriate volume.3. If the speaker does not sound when one is plugged in, remember to adjust the left and right channels of the main control volume.The main problems affecting the noise of the speaker (most of which are not caused by the speaker itself):1. It is mainly the problem of interference-free sampling ability, which is reflected in the microphone collecting sound and releasing it through the speaker to form a reflux.Solution: Mute the microphone volume and line volume;2. Power supply problem, it may be the current sound caused by the power supplySolution: Change the USB interface to insert, and it is best to try the front and back USB of the desktop computer;3. Sound card problem or sound card driver, the explosion or noise of integrated and low-end sound cards is inevitableSolution: Uninstall the sound card driver and reinstall it;4. Software setting problemSolution: Restore the original software settings;5. The audio interface is oxidized or has poor contactSolution: Re-plug and test, and turn the audio connector to make good contact.