Product category：protable SpeakerModel：D-018
1.Power supply:USB/DC6V/AAA1.5V*42.circuit system:YD2822 stereo IC
3.Speaker:Ф40MM 4Ω3W
4.Power Output:2W*25.Input Sensitivity:450MV6.Signal to noise ratio:≧65DB7.Frequency Range:120HZ-18KHZ8.Net weight:165g
