Detailed Product Description Features* Voice is MP3 format.* Remote control and easy to ... online and update the content of voice by SUB.* Can put 99 groups voice in it, and easy to ... 22.05KHz,24KHz,32KHz,44.1KHz,48KHz.* Support MP3 files:32kbps(include 32kbps~320kbps),including VBR(variable bit ... Frequency response: 40HZ~19KHZ* Baud rate: 2400 Remote MP3 module, mp3, mp3 player, mp3 player with FM