Specifications

Model: M15B Bluetooth version 5.0. Support lossless music playback, with power protection function(reverse connection will not burn the motherboard and the display will not light up)

Infrared receiving: can match infrared remote control

TF: Card slot connected to TF memory card (maximum support 32GB);

SCREEN: Digital color screen display, red (color screen customization can be supported);

AUX: Audio input interface

USB interface: connect to U disk (maximum support 32GB);

VOL-: Short press the previous song in the USB/SD state; short press the previous station in the FM state, and long press the volume to decrease.

SCAN: Short press to play/pause in the USB/SD state, long press to automatically scan for radio stations in the FM state;

VOL+: Short press a song in the USB/SD state; short press a radio station in the FM state, and long press the volume to increase;

MODE: When there is SD card and U disk: the switching sequence is USB→SD→FM→AUX→USB; when there is only U disk: the switching sequence is USB→FM→AUX→USB; when there is only SD card: the switching sequence is SD→FM →AUX→SD. ;

Main control IC: AB5362B

Bluetooth IC: AB5362B Bluetooth version is 5.0

Music format: MP3 / WMA / WAV and other lossless formats

Radio FM frequency: 87.5-108.0 MHZ

Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control connection / 9V-12V

About the structure: Panel size: 106 * 25 MM, the two sides of the panel are the screw hole positions, the width of the board is 19.8mm, the depth of the board is 24mm

Normal Version

Feature:

1, support MP3 / WMA / WAV

2, support Bluetooth 5.0

3, with digital tube display;

4, support MMC / SD / MMA and other cards, support USB interface (U disk);

5, power failure memory function 24C02;

6, support 5-10 meters distance infrared remote control operation;

7, support external audio input LINE IN (AUX);

8, support radio FM, receiving frequency band (87.5MHZ-108.0MHZ);

9, button: four-button multi-directional control, VOL- / AUTO / VOL + / MODE;

Operation details:

1. VOL-(previous song/volume reduction): In MP3 state, VOL-short press is the previous song, long press is for volume reduction; in FM state, short press to adjust one station number; in Bluetooth Short press under the function is the last song of Bluetooth, long press to decrease the volume.

2. AUTO (play/pause): In the MP3 state, AUTO is short pressed to play/pause; in FM state, short press is play/pause, long press is for automatic receiving and saving; in Bluetooth function, short press to play /time out.

3, VOL + (the next song / volume increase): In the MP3 state, VOL + short press for the next song, long press for the volume to increase; short press in the FM state to adjust a station number; under the Bluetooth function Short press for the next song of Bluetooth, long press for the volume to decrease.

4, MODE : switch between USB/SD/FM/AUX/Bluetooth function