Sell car mp3 player

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Launch FM stereo through the wireless
Needn't change the existing automobile or the stereo system of the family
Use with MP3, portable DVD and PDA etc.
2 AAA batteries with more than 20 hours' life.
Power supply:AAA(3V)
Frequency Channel:88.1MHZ 88.3MHZ 88.5MHZ
Frequency stability:110ppm(-100~500)
Modulation mode 175KHZ wide band
Syntonic preference <=-60dB
Transmit distance>5
Distortion <=3% (F=75KHZ, f=1KHZ)