Characteristics Power and sound quality – With a sensitivity of 97dB and a frequency range of 40Hz-20KHz, this speaker offers powerful and detailed audio. Bluetooth Connectivity – Listen to your favorite music wirelessly from any compatible device. USB Mp3 Player – Easily play your music directly from a USB stick. 6.35mm microphone input – Perfect for karaoke, with dedicated microphone volume knob. 3.5mm AUX Input – Connect any wired device for a versatile audio experience. Total control – Adjust the sound with dedicated knobs for master volume, microphone, bass and treble. Rechargeable battery – Listen to your music anywhere without worrying about power. Portable Design – Thanks to the built-in handle, you can easily carry it wherever you go. Dimensions: 31x31x60cm 7 lighting modes, selectable by button Audio inputs Bluetooth USB SD card 6.35mm audio jack microphone input, 3 inputs 3.5mm audio input