Materials: ABS plastic +wooden
Functions:SD(MMC)/USB/ FM Radio/BT/Remote Control
Bluetooth Version：V5.0
Range: 10meters
Voltage/Frequency :220V 50Hz
Frequency Response:50Hz - 20KHz
Output power :20W+5W*2
Output impedance:10(OHM)
S/N(Signal to noise)ratio:78dB
Separation:45dB
Connection method:3.5 Audio cable
Product Size : 25*15*24.2cm，10.5*9*14.2cm