if you choose the with backlight version , long press the button to turn on the back light .
Display screen: 3.52 inches, 240 * 360
Bluetooth version: Bluetooth 5.3
TF card expansion: ≤ 128GB (FAT32 format)
Audio formats: MP3/FL AC/AAC/WAV/APE/WMA, etc
Recording format: MP3, WAV
EBook format: TXT
Battery capacity: 850mAh/3.7V lithium battery
Product weight: approximately 88g
Charging interface: Type-C interface
