Specification: Functions:Bluetooth, music playback, recording, FM radio, stopwatch, alarm clock, video, pictures, e-books;  Charging time:about 1-1.5 hours;  Lyrics display:synchronized lyrics display;  Screen size:1.44 inches;  Memory capacity:built-in 8GB/16GB;  Expansion card:MicroSD(TF) card is not supported;  Bluetooth version:4.0;  Bluetooth transmission distance: about 10 meters;  Language:Support 28 languages: English, French, Russian, Italian, Czech, Spanish, Dutch, Danish, German, itanliano, magyar, polski, suomi, svenska, indonesian, norsk, Greek, Portuguese, Slovenian, Turkish;  Video format:Support AMV/AVI;  E-book:Support TXT;  Frequency modulation:support 87.5MHZ~108MHZ;  Size:about 55mm x 11mm;  Product weight:Aournd 25g;  Color:Red;     Note: This mp3 player has Bluetooth function and is compatible with most Bluetooth headsets and Bluetooth speakers (but does not support connection to mobile phones/computers), listening to music is so free and easy      Package Included: 1 x MP3 Player;  1 x USB Cable;  1 x Headset;  1 x User Manual