1. Material: Metal body
2. Charging: 1.5h
3. Standby time: about 100h
4. Video format: AMV/AVI
5. Image format: JPEG/BMP
6. Audio format: MP3/WMA/APE/FLAC/WACV
7. Bluetooth version: 5.2
8. Battery capacity: 450mA
9. Supports card insertion, expandable up to 128G (not included in this product)
10. Can connect to Bluetooth headset/Bluetooth speaker, faster and more stable
11. Can create folder classification, more convenient to find files
12. Customizable alarm ringtones and alarm cycles
13. Support Chinese, English, German, Italian, French, Spanish
14. Chip: Huilian