Model: J-801<br />Distortion: 0.01 (%)<br />Material: ABS plastic<br />Output Power: 20W maximum<br />Frequency response: 100HZ-13KHZ ÷ 3db<br />Current consumption: 150mA<br />Input signal: microphone ≠ 1， ≠ 1 Audio<br />Voltage: DC 7.4V lithium battery<