-4.2 Wireless BT MP3 Player: A wireless connection solution, which supports connecting BT wireless headphones and speakers. In the case of barrier-free access, you can enjoy a pleasant wireless music playback experience within 10 meters. Multifunctional mp3 player with fm radio/recorder/video player/text reading. - High touch screen and key lock screen: 1.8 inch screen and high sensitive touch keys make the whole mini mp3 player crystal clear, allowing you to operate the keys smoothly. It is very convenient to press the power button to lock the screen. When you put this music player in your pocket, you can lock the button to prevent malfunction. Very suitable for your entertainment and study, outdoor and gym. - Hi-Fi Sound Effects and FM Radio: Mature Hi-Fi technology brings you lossless music. Try the fm radio function, you can listen to news/stories/music, it will give you more choices. - One-touch recording: When you need to record important information in a class or meeting, one-touch recording technology can help you record quickly in one step. Powerful touchscreen buttons that instantly present music at the touch of a button. -Built-in 8GB memory, the player provides plenty of space for your music and books. - Support to extend the maximum 64g TF memory card. - Support multi-format music playback and lyrics synchronization. - Support time and date setting. - Support mobile phone otg upload and download. - Compatible with Android phone connections that support otg. Product specifications: Type: Bluetooth mp3 player Wireless: Bluetooth 4.2 Body material: metal, hyperboloid glass screen Display: 1.8 inch screen Playing time: 30 hours Recording format: WAV Built-in memory: 8 GB FM radio : 76mhz-90mhz/87mhz-108mhz Video format: avi/amv Music format: mp3, wma, wmv, ogg, wav, amv, AAC-LC, flac