Dual lossless play - High-quality music, let the music accompany your every moment. Recording function - Recording of classroom and meeting, recording of classroom problems/homework details at any time. Video Play - 2.0-inch IPS screen, support AVI video format playback. Smooth movie watching. Note: Only through the video conversion tool can be played on the machine. Novel Reader - Mobile smart book library, portable bookstore. Bluetooth 5.3 - Support Bluetooth headset, Bluetooth speaker and car Bluetooth connection. IPS Display - Delicate and full of color, adjustable brightness, adapt to different light environments, give your eyes a comfortable feeling. Read aloud function - English-Chinese dictionary, your pocket translation dictionary, a good helper for learning English. Size:Body length = 50MM Body width = 48.5MM Body thickness = 12MM Note:Please receive the physical size shall prevail! Display: 2.0-inch IPS display Bluetooth: 5.3 Li-Polymer Battery: 200mAh Product main function: Music background playback / Lyrics synchronization / 9-level speed change / AB repeat / FM radio / High-definition recording / Speaker out / Video playback / Picture browsing / Bluetooth 5.3 / Time / Alarm clock / English-Chinese dictionary / Calendar / Stopwatch / Calculator / E-books. Format Support Details: Music format: MP3, WAV, FLAC, WMA,OGG, M4A, APE, AAC Video Format: AVI needs to be converted Audio Format: WAV Language Support: Simplified Chinese, English Colour:Black Material:ABS Package Contents: 1 * MP4 music player 1 * charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.