xdobo sinoband Party 1981 karaoke speaker

Model:Party 1981
Brand:sinoband
Bluetooth version:5.3
Output power:300W
Play mode:BT/AUX/TF card/USB
Frequency response:20Hz-20KHz
Signal-to-noise ratio:80dB
Charge time:about 3-5 hours(PD Fast Charger)
Input power:PD 65V/5A(MAX)
Music playing time:about 20 hours(varies by volume level and audio content) 
Size:295x180x352mm
Weight:7556g
speaker+2pcs microphone