Feature:     1. [Multiple Playback Formats] MP3 player supports MP3, WMA, WAV, OGG, APE, FLAC and other formats for playback. With background playback, lyrics display, external playback and other functions.      2. [Mobile Phone Download Management] MP3 players can use OTG to connect mobile phones to achieve lossless music, English listening, etc, fast download, only support for Android phones.      3. [Smart Wireless] MP3 music player with standard configuration of BT wireless technology, strong and stable signal. Support BT headset, BT speaker connection, BT transmission data, device with BT can be used.      4. [Video And Reading Functions] MP3 supports AVI and AMV format video playback, compact body to carry. It is more convenient to watch videos and read massive books, with a paper like reading experience.       5. [High Definition Long Distance Recording] The music player has built in dual PCM microphones, supports long distance optimization, and can record classrooms and English learning.             Specification:      Item Type: MP3 Player  Material: ABS  Color: Black  Battery Type: Built in 300mAh 303040 Lithium Battery (Included)  Resolution: 128 x 160  Frequency Response: 20Hz-20KHz  Sampling Rate: 48KHz  BT Module: BT 4.2  Recording Format: WAV, MP3  Music Formats: MP3, WMA, WAV, OGG, APE, FLAC, etc.  Video Format: AVI, AMV  Image Format: JPG, BMP                    Package List:     1 x MP3 Player    1 x Earphone      1 x Data Cable      1 x Manual