specifications：
1.Support format:all the tone source.
2.Power：IPOD power supply or DC12V CAR
3.Audio frequency plug：IPOD audio jaws
4.Transmitter frequency：88.1-107.9MHZ
5.transmit distance：≥10m
6.frequency stability：±20ppm（-10℃+50℃）
7.Operating temperature: -10 to +55 (degrees Celsius)
8.stereo crosstalk：≥30dB（1000Hz）
9.frequency response：100-15000Hz