Kebidumei 6W Amplifier 3.7V 5V MP3 Player Bluetooth 5.0 MP3 Decoder Board Support Call Recording 3.5mm USB TF FM for Mod

Support power outage memory
The power supply voltage supports DC 3.7v-5v and the current is around 1A.
It can be directly connected to the speaker, with a power amplifier of 2 * 3W.
Support song formats MP3/WAV/APE/FLAC
Main functions MP3/USB/TF/LINE IN/FM/BLUETOOTH/3.5MM microphone
Power 6W, stereo 2 * 3W.