Specifications: 1) Frequency response: 20Hz - 20kHz 2) Separation: =50dB 3) Operating current: 38mA 4) Transmission range: 87.5 - 108.0MHz (interval 0.1MHz) 5) Power source: 2 AAA batteries or car power source 6) Transmit distance: >5m 7) Distortion: =3% (F=75kHz, f=1kHz) 8) Signal to noise ration: =45dB 9) Supported devices: MP3, MD, CD, VCD, DVD, PDA players (also supports Laptops, recording pens, repeating machines, portable TVs, game machines, mobile phones if they have[...]