supply S-238 portable speaker
Speaker Power: 20 Watts RMS per channel (2 channels)
Frequency Response: 40Hz ~ 20kHz
Dimension (D x W x H): Products (with stand):Driver Unit: 4 inchs + 1.5 inchs
Subwoofer Enclosure Material: Wood
Signal-to-Noise Ratio (SNR): 80dB
with fm, ,USB SD slot, Remote controller