Specification: Name: Bluetooth MP3 Decoder Board with Amplifier Supported Functions: Bluetooth music playback/ Microphone connection/ Folder switching Model: JQ-D135BT Main Control IC: Zhongke Nansun AB5362B Bluetooth IC: Zhongke Nansun AB5362B Bluetooth Version: 5.0 Power Supply: 12V (range 7V-25V), current no less than 2A Amplifier IC: ChipSun Microsystems CS8673 Power Output: 2*40W, can simultaneously connect two 5W speakers Music Format: MP3 / WMA / WAV / APE / FLAC lossless music formats FM Frequency Reception: 87.5-107.5 MHZ Support: MP3 / USB / TF / LINE IN / FM / BLUETOOTH / Remote Control Structure: Panel size: 94 * 35 MM, panel corners and screw hole position, board depth is 38 MM Feature: 1. Bluetooth version 5.0. 2. Supports microphone and headset function. 3. Supports calls (press and hold the pause button to answer the call when it comes in). 4. Supports recording. Recording only supports TF mode or USB mode operation. (Press and hold the MODE button to start recording, press and hold the MODE button again to stop recording and play the recording file; exit recording mode, press and hold the pause button to finish. When recording, you must connect a storage device, such as a USB flash drive or TF card;) 5. Supports power-off memory. 6. Supports power supply voltage between DC 7V-25V. 7. Can be directly connected to the speaker, with amplifier and decoding functions. 8. Supports song format MP3 / WAV / APE / FLAC 9. Main functions MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control. 10. Total power is 80W, 2 channels each 40W. 11. Supports folder selection playback. When the USB or TF playback device has a folder and there are songs in the folder, press the up or down button twice to select the folder to play songs, and the screen will display F001-F00. If there is a folder, F00? will be displayed. Package Includes: 1x Bluetooth MP3 Decoder Board 1x Remote Control 1x Wire Set 1x Manual