Note: The color is according to the first picture,the quantity and size are according to the title,if the title is not clearly written,according to the . Product Material: plastic Dimensions: width 9.5 x length 10 x height 13.5 cm (3.75 x 3.95 x 5.31 inches) Colour: Black Channel: 2.0 Drive unit: 2.75x2 Frequency response: 20Hz-20KHz Signal to noise ratio: 60dB Separation: 40dB Package content: 1 pair of LED colorful double speakers 1.LED COLORFUL STRUCTURE DESIGNHigh quality plastics make it steady without vibrating sound. Black and bright color and the led colorful oval lamp make speakers show the beauty of Science fiction. Adopted the low-voltage digital power,the maximum power can be 4W x 2,ensure the sound clear,bright,rounded and thick. 2.SOUND QUALITYOutstanding bass quality,compared to other small speakers. In order to make up for the lack of bass of the Mini 2.0 speakers,the unique acoustic resonator structure using the enclosed low-frequency aid design makes the sound more penetrating and powerful. Note: Restricted to the small volume,bass effect still cant compare with big speakers and professional subwoofer. 3.360 DEGREE STEREO SOUND2.0 Channel stereo speakers,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. 4.WIDE APPLICABILITYHigh quality cable and Volume Control design,stable sound transmission and convenient control. 3.5mm audio interface,suitable for 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. 5.SIMPLE OPERATION,PLUG AND PLAYSimple operation,just plug the USB cable into your device or the charger and plug the 3.5mm jack into your audio device, the speakers will fill the room with your music,movies or games; Volume+Switch control design,more convenient to use.