1. 12V power supply, power failure memory
2. With bluetooth call and recording function, bluetooth version 5.0
3. Decode MP3, WMA, WAV, FLAC, APE lossless format music
4. Read USB disk, support SD interface
5. Support FM radio, frequency band (87.5MHZ-108.0MHZ)
6. External audio input LINE IN
7. Support 10m distance infrared remote control operation
8. Pushbuttons: six buttons for multi-directional control, REC / REPEAT / VOL- / AUTO / VOL+ / MODE
9. Large remote control uses 2 x 7 batteries (not included), small remote control uses button batteries
10. Dimensions: length 112 x width 62 mm

Key operation details.
1. REC: Press the REC button to start recording, press the REC button again to cancel the recording function and play the recording file; when recording than a storage device needs to be connected, e.g. U disk or TF card
2. REPEAT: Press once for the single song loop function, then press again to cancel the single song loop and play in sequence
3. FD-: switch to the previous folder, long press to fast back
4. FD+: switch to the next folder, long press to fast forward
5. AUTO button (play/pause): short press for play/pause in MP3; short press for play/pause in FM, long press for auto receive and save station; short press for play/pause in Bluetooth
6. MODE button: switch between USB / SD card / FM / Audio input / Bluetooth function in sequence