Feature: 1. INTELLIGENT READING: Music player is a compact device that allows you to carry a large number of books around with you, restoring a paper like reading experience and allowing words to touch your heart. Specification: Item Type: MP3 Music Player Material: ABS Color: Black Battery Type: Built in 170mAh 332530p Lithium Battery (Included) Resolution: 128x64 Frequency Response: 20Hz-20KHz Sampling Rate: 48KHz Bluetooth Module: Bluetooth 4.2 Recording Format: WAV Music Format: MP3 WMA WAV OGG APE FLAC ACC Package List:1 x MP3 Music Player1 x Earphone 1 x Data Cable 1 x Manual About this item MULTIFUNCTIONAL: MP3 music player is easy to operate, turn the wheel to select functions such as music, Bluetooth, eBooks and more. It supports playback of MP3 WMA WAV OGG APE FLAC ACC and other formats. PHONE CONNECTION: MP3 player supports OTG connection to mobile phones for lossless music, English listening and more, fast downloads, only for Android phones. BLUETOOTH FUNCTION: Music player has bluetooth wireless technology standard configuration, strong and stable signal. Support Bluetooth headphones, Bluetooth speaker connection, Bluetooth transmission data, with Bluetooth are available. SYNCHRONISED LYRIC DISPLAY: MP3 player supports lyrics display, copy the LRC vocalist lyrics file of the song with the same name into MP3 together, the system will automatically synchronise the song and sing while listening. HD LONG DISTANCE RECORDING: Bluetooth MP3 player has a built in dual PCM microphone and supports distance optimisation, so you can record your classes and learn English with ease. MULTIFUNCTIONAL: MP3 music player is easy to operate, turn the wheel to select functions such as music, Bluetooth, eBooks and more. It supports playback of MP3 WMA WAV OGG APE FLAC ACC and other formats. PHONE CONNECTION: MP3 player supports OTG connection to mobile phones for lossless music, English listening and more, fast downloads, only for Android phones. BLUETOOTH FUNCTION: Music player has bluetooth wireless technology standard configuration, strong and stable signal. Support Bluetooth headphones, Bluetooth speaker connection, Bluetooth transmission data, with Bluetooth are available. SYNCHRONISED LYRIC DISPLAY: MP3 player supports lyrics display, copy the LRC vocalist lyrics file of the song with the same name into MP3 together, the system will automatically synchronise the song and sing while listening. HD LONG DISTANCE RECORDING: Bluetooth MP3 player has a built in dual PCM microphone and supports distance optimisation, so you can record your classes and learn English with ease.