Function introduction: support Bluetooth function / Jieli scheme, double decoding (solve MP3, WMA, WAV format music) / read USB disk / read TF card / external audio input LINE IN / power supply 12V
First, the main function Main control IC: AC6925A
Bluetooth IC: AC6925A Bluetooth version is 5.0 Music format: MP3 / WMA / WAV / FLAC / APE lossless format Radio FM frequency: 87.5-107.5 MHZ
Support function introduction: support MP3/USB/TF/LINE IN/FM/BLUETOOTH/DC Working voltage: 12V Panel size: 50 * 24 mm, the depth of the board is 35mm
Second, the button operation details 1. PREV button (previous song/volume reduction): In the MP3 state, the PREV short press is the previous song, and the long press is the volume reduction;
2, PLAY button (play / pause): PLAY short press for play / pause in MP3 state; long press is USB / TF card / AUX / Bluetooth mode test tone switch.
3, NEXT button (next song / volume increase): NEXT short press for the next song in MP3 state, long press for the volume to increase;
4. This model has the function of automatic conversion device. When there is no device, the default is in the Bluetooth state. If there is a device, the device is interpreted first.