Specification: Function:Bluetooth, Music Play, Recording, FM Radio, Alarm Clock, Video, Pictures, E-book, Pedometer; Display:2.8 inch Screen, resolution: 320 x 240; Dimensions:76 x 52 x 10mm; Memory:built-in 8G/16G; Bluetooth function:Bluetooth 5.0(Support to connect Bluetooth headset and Bluetooth speaker); Music background playback:support; LRC lyrics synchronization:support; Play mode:repeat play, single play, all loop; TF card function:support max 128G memory card( Not included TF card); Variable speed playback:16 times shifting; Audio format:APE, AAC, FLAC, MP3, WMA, OGG; Video format:AMV. Ordinary video needs to be converted through a video converter; loudspeaker:support; Radio function:support; Supporting Recording Radio.The radio must have headphones plugged in as an antenna. Pedometer:support; Alarm clock:support; Pedometer:support; Text reading:TXT format, support bookmarks; Battery:500mAh polymer battery; Recording function:support MIC recording; Life time:20 hours of song playback in the headphone screen saver state. The video plays for 3-5 hours; Language: English/Russian/Japanese/Korean/French/German/Turkish/Italian/Hebrew/Dutch/Portuguese/Spanish/Swedish/Czech/Danish/Polish/Thai/Hungarian/Romanian/Arabic/Greek/Indonesian and other languages of more than 28 countries. Important Notice for Bluetooth: Can only connect to Bluetooth earphones or Bluetooth speakers, not to mobile phones or computers. Can not listen to Radio via Bluetooth. Please listen to radio via an earphone. Can not for data transmission. How to use Bluetooth? Please use our device to search your Bluetooth devices, such as Bluetooth earphones. Then "play all the music" Package included: 1 x MP3 Player; 1 x USB Cable; 1 x User Manual