1. Working voltage:iPod built-in DC3.3V
2. Transmitting working power:≤40mA
3. Transmitter frequency range:87.5MHz--108MHz
4. Deviation of frequency transmission:＜10KHz
5. Stability rate of transmitter +/-10PPM
　(As frequency wave motion within 15Hz)
6. Transmitting power:＜50nW
7. Pre-set memorized frequency: 87.5MHz, 93.5MHz, 98.5MHz and 103.5MHz
8. Stereo rate:＞18dB
　(Input 1.0Vpp, 1 KHz by Electronics Sine Wave testing)