?12 MONTHS WARRANTY?Reccazr computer speakers provides 12 months manufacturer's warranty and unconditional 30 days money-back guarantee. ?NOTE?Restricted to the small volume, bass effect still can’t compare with big speakers and professional subwoofer. To enjoy the best stereo effect need to separate 2 speakers, for example, the two speakers are separated from the distance of 1 meter, the two speakers and people should be 1 meters distance, then the two speakers and people is an equilateral triangle, such a position, you will hear the best stereo effect. ?COMPATIBLE WITH MULTIPLE DEVICES?Reccazr MP2000 2.0 stereo speaker which is with 3.5mm audio interface and USB powered,compatible with most music players, iPhone, iPad, Samsung Galaxy phone or tablet, MP3 player or other device, just plug into your device to listen to your music at full volume. USB power supply, can be directly plugged into the computer USB port to take power, can also connect most of the 5V charger power supply. ?RICH AND STRONG STEREO SOUND PROVIDE SUPPER SOUND QUALITY?Built-in 4 x bass diaphragm, closed Cavity and Low Frequency Aid design, compared to other small speakers. The unique acoustic resonator structure using the enclosed low-frequency aid design makes the sound more penetrating and powerful, to make up for the lack of bass of the Mini 2.0 speakers. ?SIMPLE SQUARE STRUCTURE?ABS high quality plastics make it shiny without murky grey. Black color with the grey oval ring, make speakers show the beauty of stereo. Adopted the low-voltage digital power, the maximum power can be 5W, ensure the sound clear, bright, rounded and thick. Small Body(5.4x3.2x.3.6inch) with powerful audio.