Bluetooth MP3MP4 Music Player Portable Walkman 1. Screen: 1.8-inch color screen 2. Memory card type: TF card 3. Expansion card: support 4. Interface: USB 2.0 5. Headphone jack: 3.5mm 6. Support audio format: MP3, WAV, FLAC, APE 7. Screen resolution: 160 x 128 8. Menu languages: Simplified Chinese, Traditional Chinese, English, Slovak, Norwegian, Greek, Finnish, Japanese, Korean, French, German, Italian, Dutch, Portuguese, Spanish, Swedish, Czech, Danish, Polish, Russian, Turkish, Hebrew, Thai, Hungarian, Romanian, Arabic, Croatian, Slovenian, Indonesian, Indonesian, Chinese, French, Korean, French, Italian, Dutch, Portuguese, Portuguese, Spanish, Swedish, Czech, Danish, Polish, Russian, Turkish, Thai, Hungarian, Romanian, Arabic, Croatian, Slovenian Indonesian 9. Additional features: Bluetooth support, picture browsing, FM radio function, recording function 10. Bluetooth version: 5.0 11. Battery capacity: 210mAh 12. Charging input: 5V1A 13. Charging time: about 2-3h 14. Battery life: about 10h 15. Size: about 8 x 4.15 x 1cm 16. Weight: about 42.7g Features: 1. High sensitivity touch buttons, easy to operate 2. Supports up to 128G memory card expansion, to achieve greater expansion space 3. FM radio, not only can listen to radio programs, but also can record and save favorite radio programs 4. Folder classification, support folder playback 5. Lossless Bluetooth 5.0, fast and seamless connection, support connecting Bluetooth headset and Bluetooth speakers 6. Read eBooks, can add bookmarksselect pagesmemorize playback, four reading backgrounds, screen brightness can be adjusted 7. Built-in speaker 8. Support AMVAVI format video playback, enjoy video anytime and anywhere