Potable design, mini size, it is not occupies your space.workmanship, the edge is perfectly polished.The cavity can effectively reduce the resonance and the interference of standing waves, making the sound more real.Bass is adjustable, you can adjust it according to your own preferences.USB supply power, easy to start playing.Output Power: 11WPower Supply: 5V and USB 5VFrequency Range: 25Hz 20KHzChannels: 2.1Support Memory Card: NoAudio Line Length: 1M / 3.28InchesAudio Interface: 3.5mmUSB Line Length: 1M / 3.28InchesControl Form: KnobSupport : NoApplicable Device: Desktop / TV / PC / SmartphoneSNR: >=35dBSeparation: >=65dBPackage List:1 * Set of Speakers(Excluding other exhibits)Notes:1. Due to measurement, please allow an error of 1-3 cm.2. Due to different computer screens and monitors, the actual color may be slightly different from the picture.Thank you for your understanding!Connect everything on your device and let the party begin.