| item | value |
| Place of Origin | China |
| Model Number | CP1903 |
| Warranty | 1 Year |
| Interface | USB3.0 |
| PIN | 5(Mini-A) |
| UART | 1(RX/TX) |
| Audio signal | SPDIF |
| Screen display | 2.2 inch color screen display |
| Music format playback | Support FLAC, PCM, WMA, MP3 Play in various music formats |
| Support1 | Support lyrics display |
| Support2 | DSP power amplifier status display and control |
| Support3 | Up,down,variable list operation |
