3.5OUT Serial Communication Bluetooth Decoding Board Multifunctional Decoder DIY Player RGB Spectrum. 40W x 2 3.5OUT serial communication Bluetooth decoder TWS player RGB spectrum. Multifunctional DIY player: 5.3 Bluetooth stereo playback, 5V output C port can only be suitable for Android phones (temporary charging). Bluetooth name: ERXIAODU-6088 Power supply parameters: DC9V/24V (not higher than 24V); The current is equal to or greater than 3A. The maximum support can be connected to the speaker 45W x 2 (the output power of the module is different with different power supply and speakers). Can't access any AC voltage. Support folder selection "Cycle mode selection; Single cycle (ONE)/ folder cycle (FOLD)/ random cycle (RAN)/ total cycle (all); If you press FOL in the current folder, you will only play the whole song circularly in this folder; Support to drive 20 RGB spectrum colored lights (6 modes) Support MIC recording: the module must be plugged in with a USB flash drive or TF card, and double-click the "play" button to record; Press the "Play" button short while playing the recorded file, press the "Play" button long to delete the current DEL file and broadcast "Delete Recording" at the same time; Click "Down Music" three times in any mode to play the recorded content (if there are multiple recorded files, you can select the music up or down after entering the recorded file mode); Color: Black Material: plastic Package Contents: 1 x BT5.3 Stereo Power Amplifier(Without 2xAAA battery, you need to prepare it yourself) 1 x Remote Control