Parameter:1. Bluetooth: 5.0 supports two-way transmission2. Music format: MP3 (MP1, MP2, MP3)/WAV/APE/WMA/FLAC, etc., lossless loud sound (M4A is not supported)3. Video format: AMV/AVI (random video conversion tool computer conversion video)4. Picture format: JPG/JPEG/BMP photo5. E-book mode: TXT files only6. Play mode: Random/Repeat7. Operation mode: button type8. Display type: HD screen9. Headphone jack: 3.5mm10. Charging input: 5V 1A11. Screen resolution: 128x16012. Menu language: Chinese, English and other languages13. Function: watch function, support bluetooth, picture browsing, FM radio function, recording function, external speaker function, video output, digital photo frame14. Battery capacity: 3.7v 200mah15. Charging time: about 2 hours16. Long time music playback: 5-8 hours17. Lyrics display function: LRC lyrics display18. 7 preset equalizers: rock, funk, hip-hop, classical, electronic, jazz, custom19. Display: 1.8-inch TFT color screen20. Interface: USB 3.021. Material: ABS22. Size: 55.5x42.5x12.5mm23. Net weight: 29gFeatures:1. Built-in voice recorder, FM radio2. 3.5mm audio jack3. Small screen, easy to carry, Bluetooth wireless connection4. High-fidelity sound quality, make the sound more comfortable, and enjoy wonderful music with you5. Lightweight, easy to carry, exercise and fitness, easy to put in your pocket, no burden6. Multi-format video playback, small portable theater, support AMV/AVI video format playback7. Large-screen high-definition movies, judging from the built-in powerful hardware acceleration, the video is smooth and not stuck, and the visual experience is more shocking