M22 Portable Bluetooth Touch Screen MP3 Player Recorder E-Book, Memory Capacity: 8GB(Black) Kecag The secret printing function allows

The secret printing function allows two users to share encrypted information between each other

0 technology

weight only 78g

and the picture model is for reference only

M22 Portable Bluetooth Touch Screen MP3 Player Recorder E-Book, Memory Capacity: 8GB(Black) Kecag The secret printing function allows1. Does not support expansion cards 2. Menu language: multiple languages 3. Professional recording, high definition noise reduction 4. Bluetooth connection, multi function touch buttons 5. Intelligent AB repeat, lossless music playback 6. Recording format: support MP3, WAV format 7. Backlight lights up the screen, making night operation more convenient 8. 8 speed and slow speed playback, multi format video playback 9. Additional functions: support