* GM Bluetooth MP3 decoder board * Remote controller with button battery, can be used directly * Support USB SD FM radio function * This module contains an MP3 song decoding chip * Support infrared remote control reception Specification: Material: ABS Colour: Black Screen display type: LCD color screen Bluetooth IC: AB1909 Bluetooth version: 5.0 Remote control method: 21-key remote control (with button battery) Voltage: 12V Product size: 78 * 52.5 * 22mm Features: 1. Led digital tube bracket 2.USB SD FM radio function 3. Compatible with Bluetooth, compatible with Bluetooth 3.0 and lower 4. Support previous song, next song, play / pause, mode change 6, Support MP1 Layer3, MP2 Layer3, MP3 Layer3, song version 7.Support 32-320 kbps MP3 songs 8.Support infrared remote control reception 9. This module contains MP3 song decoding chip Key operation introduction: 1. VOL- button (previous song / volume reduction): In MP3 state, VOL- short press is the previous song, and long press is the volume decrease; in FM state, short press is to adjust a station number upwards; in Bluetooth Short press under the function is the previous song of Bluetooth, long press is the volume decrease 2. PAUSE / PLAY button (play / pause): PAUSE / PLAY short press in MP3 state is play / pause; short press in FM state is play / pause, short press is automatic reception and coexistence; under Bluetooth function Short press for play / pause 3. VOL + button (next song / volume increase): In MP3 state, short press VOL + is the next song, long press is to increase the volume; in FM state, short press is to adjust a station number downward; under the Bluetooth function Short press for next song of Bluetooth, long press for volume down 4. MODE button: switch between USB / TF / FM / audio input / Bluetooth function in order Whether universal: Yes Packing list: 1 * MP3 decoder board 3 * Wire 1 * Remote control (with button battery)