Specification: Name: Bluetooth mp3 decoder board with amplifier Supported Functions: Bluetooth Music Playback Function/ Connect Microphone Function/ Folder Switching Function Model: JQ-D135BT Main Control IC: Zhongke Nansun AB5362B Bluetooth IC: Zhongke Nansun AB5362B Bluetooth version: 5.0 Power supply voltage: 12V (range 7V-25V), current not less than 2A Amplifier IC: CS8673 from ChipSun Microsystems Power: 2*40W, at the same time can connect two 5W speakers Music format: MP3 / WMA / WAV / APE / FLAC lossless music format Receiving FM frequency: 87.5-107.5 MHZ Support: MP3 / USB / TF / LINE IN / FM / BLUETOOTH / Remote control About the structure: panel size: 94 * 35 MM, panel corners and screw holes position, the depth of the board is 38 MM Feature: 1. Bluetooth version 5.0. 2. Support microphone and headset function. 3. Support call (press and hold the pause button to answer the call when it comes). 4. Support recording. Recording only supports TF mode or USB mode operation. (Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recording file; exit the recording mode long press the pause button to exit. When recording you need to connect a storage device, such as U disk or TF card;) 5. Support power failure memory. 6. Power supply voltage support between DC 7V-25V. 7. Can be directly connected to the speaker, with amplifier and decoding functions. 8. Support song format MP3 / WAV / APE / FLAC 9. Main functions MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control. 10. The overall power is 80W, 2 channels each 40W. 11. Support folder selection playback. When the USB or TF playback device has a folder and there are songs in the folder, press the up button or down button 2 times to select the folder to play songs, and the screen will display F001-F00. If there is a folder, it will show F00? Package includes: 1x Bluetooth MP3 decoder board 1x Remote control 1x Wire set 1x Manual