Features:  1. Screen size:1.8 inch colorful screen;  2. Capacity:Built-in 16GB flash memory;  3. Storage type:Flash Memory;  4. Expansion card:Support MicroSD(TF) card to 128GB;  5. Language:Support 28 kinds language, English, French, Russian, Italian,Czech,Spanish;  6. Function:E-Book,Music Play,Recording, Photo Viewer, FM Radio, Video Play, Music Clock;  7. Audio display:Support MP3 ,WMA ,WAV ,APE, FLAC;  8. E-Book:Support TXT;  9. Video format: AVI,AMV;  10. Recording format:MP3;  11. Recording distance: around10-15 meters;  12. Size: Around 96X38X6mm;  13. Color: Black;  14. Charging time: around 30 minuts;  15. Bluetooth: OPTIONAL( bleutooth version:5.0);  16. Backlight at night: ONLY the Bluetooth version support ;     Warm Notice: About Bluetooth: (1)You can enjoy music by pairing with your Bluetooth headset or  Bluetooth speaker. Of course, you can also insert the wired headset to listen music.  (2)The Bluetooth of MP3 player can not pair with computers and phones. (3) Backlight at night: ONLY the Bluetooth version support   (4)If you need the Bluetooth version, please choose Bluetooth version      Packing list: 1 X MP3 Player;  1 X USB Cable;  1 X Earphone;  1 X Manual