Main Functions :

POWER SUPPLY: BATTERY(AAA 1.5V*4), DC 5V(USB CABLE FOR PC),OR AC  POWER ADAPTOR CORD(OUTPUT 6V,300-800mA)
SPEAKER UNIT:52mmx2W*2(4Ohms)
OUTPUT POWER:2W*2(1KHz 10% THD)
EREQUENCY RESPONSE:150Hz-18KHz