| 摘要 |
A miniature audio electronic comprising a main circuit board (7) provided with a radio module, a music playback module, a switch (73), a USB interface (74), a charging interface (72), and an audio input jack (75), and, a button circuit board (6) provided with buttons for previous track (61), next track (62), play/pause/mode switch (63), volume "-" (64), and volume "+" (65). The main circuit board (7) is electrically connected to the button circuit board (6). Main functional circuits of the miniature audio electronic are provided on the main circuit board (7). Functional circuits for operating working modes of the miniature audio electronic and for adjusting the volume and music playback sequence are provided on the button circuit board (6). The main circuit board (7) is electrically connected to the button circuit board (6). The main circuit board (7) and the button circuit board (6) have a clear division of labor and reduce the presence of cables to a certain extent. |
