S-20 2.1 Mini Black 3W Wooden Subwoofer Portable Music USB Computer Speaker for Desktop / TV / PC / Smartphone

Features:

– Professional computer speaker, stylish and elegant shape, black shell, different visual enjoyment.
– High and low speaker design, powerful treble and bass sound effects, and shocking music effects.
– Multi-function adjustment knob, independent volume adjustment knob and bass adjustment knob can be used to adjust a suitable sound effect at will.
– Potable design, mini size, it is not occupies your space.
– Fine workmanship, the edge is perfectly polished.
– The wooden cavity can effectively reduce the resonance and the interference of standing waves, making the sound more real and pure.
– Bass is adjustable, you can adjust it according to your own preferences.
– 2.1 channel speakers (5 units)with rich bass; Double 3-inch treble + 4-inch bass; Double small sound tube + large inverted aperture.
– Inverted hole design: The inner wall of the inverted hole is glazed, so that low frequency sound waves are released smoothly, which can effectively reduce the sound distortion caused by sound friction.
– Compatible with most smart devices with a 3.5mm interface, fit for IOS/ Android / Windows.
– DSP digital audio, intelligent decoding, greatly improve the sound.
– The speaker is powered by USB, which has good compatibility and can be used at any time.
– Multiple playback modes, support SD card and U disk reading, and multiple operation buttons, making it easier to use.

Note:

– The speaker should be placed in a cool and dry environment rather than a humid place. Do not set it near a high temperature object and please be careful not to drop it when placing.
– This machine uses 5V power supply and is connected with USB cable. It cannot be used with high or low voltage.
– Do not open the rear cover at will. If maintenance is required, please send it to a professional maintenance station for help.
– The product color may differ in different display screens, please refer to the actual item.
– Faults and solutions: There is noise or sound is small, the playback is intermittent, no bass is here.
– Cause that  if the USB is plugged in the front of the computer, loud volume will cause a noise (because of the usb current limitation on the desktop)
– Plug the USB to the back of the computer to provide power or try changing the jack.
– Using the original power adapter of the mobile phone to supply power ( 2A ~ 5V power adapter is better)

Retail Packaging: Yes, Carton Packaging