Feature: 1. Touch Screen MP3 Music Player. 2. Support MP3, WMA and all lossless music. 3. Support AMV format video playback. 4. Support FM radio 5. Supporting recording. 6. Support e-books, pictures. 7. Supporting AB duplication. 8. Synchronized display of lyrics. 9. With 4 kinds of eye protection modes, 11-level brightness adjustment. Specification: Model:M6 Color: Black Screen size: 1.8 Inch color screen Size: about 96x38x6mm/3.77x1.49x0.23'' Capacity: Built-in 16GB memory Extension Card: Support TF Card to 128GB(Not included) Functions: E-book, music playback, recording, photo browser, FM radio, video playback, Music Clock Audio Display: Support MP3, WMA, WAV, APE, FLAC, OGG,etc. E-Books: Support TXT Video format: AVI, AMV Recording format: MP3 USB interface: USB 2.0 Headphones interface: 3.5mm Battery capacity: 800mAh Charging time: about 30 minutes bluetooth version: 5.0 Night Backlight: bluetooth only About bluetooth: 1. You can enjoy music by pairing it with a bluetooth headset or a bluetooth speaker. Of course, you can also plug in a wired headset to listen to music. 2. bluetooth of MP3 player can't match computer and mobile phone. 3. Night Backlight: bluetooth only. 4. If you need bluetooth, please choose bluetooth version. Package Included: 1 X MP3 Player Note: Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand.