1、[Lossless Sound Quality] The player can not only listen to music, but also record sound, 1536kbps high quality lossless sound quality, the recording is more clear and true to restore the human voice, the standard configuration of Bluetooth wireless technology. 2、[Multiple Formats Supported] The music player supports MP3, WMA, WAV, FLAC, ACC and other music format playback, supports AVI, AMV video format playback, built in dual PCM microphones, and supports long distance optimization. 3、[Multiple Connection Methods] The player supports Bluetooth headset, Bluetooth speaker connection, and for Android phone also supports OTG connection, so you can play and manage files on your phone without cumbersome conversion. 4、[Multiple Playback] The player can not only play music, but also has functions such as background playback, lyrics display, and external playback. You can also only use it to watch videos, movies and read books. No stress and no lag. 5、[Touch Button] Open the era of silent, millisecond level capacitive touch, silent operation, no longer have to worry about disturbing others, just one touch, the compact body is more convenient to carry around. 6、[Multi Language Switching] The system language can switch between simplified and traditional text, English, Japanese, Korean, French, Italian, etc. 28 languages, the signal is strong and stable. 1 x MP31 x Earphone1 x Data Line1 x Manual Item Type: MP3 PlayerMaterial: ABSColor: BlackBattery Type: Built In 300mAh 042038 Lithium Battery (Included)Resolution: LCM 240x240Frequency Response: 20Hz to 20KHzSampling Rate: 48KHzBluetooth Module: Bluetooth 4.2Recording Format: WAV, MP3Music Format: MP3, WMA, WAV, etc.Video Format: AVI, AMVImage Format: JPG, BMP