Fangrui Product Details 1. M21 Button Version 1.77 Inch Novel Reading Mp3 E-book With Bluetooth, Memory Capacity: 4gb 2. Screen Material: Glass 3. Mirror Material: Pc Plastic 4. Display: 1.77 Inches 5. Leather Screen Type: Tft Color Screen 6. Usb Interface: Usb 2.0 7. Headphone Jack: 2.0mm 8. Battery Capacity: 200 Ma 9. Recording Format: Wavmp3 10. Music Format: Mp3wmawavapeflac 11. Bluetooth Version: Bluetooth 4.0 12. Support English-chinese Dictionary Translation 13. Support Memory Card Expansion 14. Multi-format Video Can Be Played 15. Rich Vocabulary, Easy To Learn English, More Efficient Spelling 16. Loudspeaker Loudspeaker, High-quality Hifi Sound Effect 17. Intelligent Full-screen Reading Of E-books, Bookmarks Can Be Saved, 8-level Variable Speed Playback, Four Kinds Of Reading Backgrounds Can Be Replaced, Intelligent A-b Reading 18. Lightweight Back Clip Type, Convenient To Carry And Use 19. Supported Languages: Czech, Greek, English, Danish, German, Spanish, French, Italian, Hungarian, Dutch, Norwegian, Polish, Portuguese, Russian, Slovak, Finnish, Swedish , Turkish, Simplified Chinese, Traditional Chinese, Japanese, Korean, Hebrew, Arabic, Romanian, Indonesian, Croatian, Slovenian 20. Dimensions: 51x41x16.6 Mm 21. Weight: About 120 Grams Including Accessories 22. Packing List: 23. Main Unit X 1 24. Packing Box X 1 25. Earphone X 1 26. Data Cable X 1 27. Warranty Card X 1 28. Manual X 1