Boxa portabila Akai BT SPEAKER_1010 Bluetooth version -4.2 Bth channel emision power -2 dbm Baterry voltage -12V,7000mAh Baterry type -Lead acid RMS power -100W FM Radio -87.5-108MHz Guitar input -yes Michrophone input -yes Wireless microphone -yes AUX in input -yes USB slot -playback SD/TF/MMC/Micro-SD -Micro SD card Speakers no & size -10"*2+2.5"*1 Supported audio formats -MP3/WMA Frequency Response -50Hz-20KHz TWS function -yes Recording function -yes Charging time -4-6 h Playing time -3-5 h Power Source -AC 100-240V~ 50Hz/60Hz Impedance -4 ohm S/N Ratio -80dB Distortion -<1% Material case -Plastic Display -LED LED light show -yes