1. Dual decoding supports MP3 or WMA or WAV or FLAC or APE lossless music format 2. Microphone interface 3. Support Bluetooth function, Bluetooth version 5.0 4. Support recording function 5. 12V power supply Color digital screen display Support USB interface (U disk) Power-off memory function Support 10-meter infrared remote control operation Support external audio source input LINE IN Support FM radio, search frequency band (87.5MHZ-108.0MHZ) Detailed button operation 1. VOLand: Short press to select song long press to increase the volume, double-click to switch to folder 2. PAUSE: Short press switches between pause and play long press switches to FM radio 3. VOL-button: Short press selects the previous song long press decreases the volume, double-click switches to the previous folder 4. REPEAT: Press once for single song loop function, press again to cancel single song loop, and play in sequence 5. EQ: Sound field mode, test 6 sound qualities (classical) (jazz) (rock) (heavy bass) () (normal) 6. MODE button: Switch between USB or TF or FM or audio input or Bluetooth functions in sequence long press to start recording, press the button again to cancel the recording function and play the recording file only internal recording (can only record audio input, radio FM, Bluetooth) when recording, you need to connect a storage device, such as: U disk or TF card Colour: Material:plastic Package Contents: 1 x Audio Codec Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.