· Active speaker. · Woofer: 8” x 2 Tweeter 1”. · Power: 550 watts watts PMPO. · Rechargeable lithium battery: 3.600mAh (1.800mAh x 2) / 7.4V. · Indication of low battery: Low battery - Parpadea / Loading - Led indicator lighted / Charged - Led indicator off. · Inalambricant connection V5.0. · USB connection (up to 32Gb), Micro SD, Audio 3.5mm, Mic 6.35mm. · Display Led. · Led Fire lights ritmic audio across the front panel (can be turned off). · Function TWS (True Wireless Stereo): Allows unalambricated connecting 2 speakers to double power and perform a stereo system separating left and right channels (both speakers must have this function). · Bass, Treble & Echo. · Radio FM MHz. · Frequency response: 40Hz - 20KHz.