1. HIFI player without built-in memory, including a 64GB memory card, enough to store the music files you need, for larger, the player supports up to 256GB memory card.

2. Player music storage limit of 4000, beyond the tracks will not disappear, you can view the complete music files and list them at the folder function.

3. The player does not have Bluetooth and WIFI functions. [Only for music]

4. Player accessories do not include headphones, it is recommended to use professional high-definition headphones, which can better reflect the sound quality effect.

5. Player album cover pixel limit is 640 * 640, if, beyond this pixel, the artist and album may not appear on the screen.

6. The ACC files supported by the player can only be played in mono, not stereo.

7. The player does not support DTS 5.1 multi-channel movies.

8. We have uploaded the user guide on the detail page, please download and read it.

9. You have further questions, you can send us your questions through the information on the package or on the manual so that we can better answer and solve them for you.