This listing is for the standard variant of this product. Your parcel will also be fully insured and trackablewide applicability-- high quality cable and independent drive-by-wire 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.synchronised lightshow--led rgb lightning,its dynamic led lightshow effect allows you to set the perfect mood for your music.adopted the low-voltage digital power, the maximum power can be 5w x 2, ensure the sound clear, bright, rounded and thick. Small body with powerful audio.super sound quality-- outstanding bass quality, compared to other small speakers. Built-in bass diaphragm, closed cavity and low frequency aid design to provide strong bass performance. 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 canat compare with big speakers and professional subwoofer360 degree stereo sound -- 2.0 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.product specificationsnet weight 450g 15.87ozdimensions w 9.5 x l 10 x h 13.5 cm 3.75 x 3.95 x 5.31 inchesrms power 4w x 4wchannel 2.0drive