Fangrui Product Details 1. 100w 12v Tpa3116 Color Screen Power Amplifier Bluetooth Decoder Board With Recording Call 2. Bluetooth Version 5.0 3. The Amplification Chip Uses Tpa3116 4. Support Calls (press And Hold The Pause Button To Answer The Call When A Call Comes) 5. Supports Recording. Recording Only Supports Operation In Tf Mode Or Usb Mode (long Press The Mode Button To Start Recording, Long Press The Mode Button Again To Cancel Recording And Play The Recording File; To Exit The Recording Mode, Long Press The Pause Button To Exit, You Need To Connect A Storage Device, Such As: U Disk Or Tf Card;) 6. Support Power-off Memory, The Module Board Is Powered By 12v Battery (not Included) 7. The Power Supply Voltage Supports Dc 8v-24v, And The Current Is Between 1-4a 8. Can Be Directly Connected To Speakers, With Power Amplifier And Decoding Functions 9. Support Song Formats Mp3wavapeflac 10. Main Functions Mp3usbtfline Infmbluetoothremote Control 11. The Total Power Is 100w, 2 Channels Each Have 50w 12. Supports Folder Selection And Playback. Press Fd+ For The Next Folder And Fd- For The Previous Folder. 13. The Black Silicone Remote Control Uses Aa Batteries (not Included), The Small Silicone Remote Control And Small Remote Control Use Button Batteries (not Included) 14. Length, Width And Height: 105mmx61mmx40mm 15. Weight: 98g