Upgraded Bluetooth 5.0 Connection The MP3 player with upgraded Bluetooth 5.0 technology allows you to connect your Bluetooth headphone or Bluetooth speaker with faster transmission speed, more stable connection and lower power consumption, which extends the battery life Up to 128GB expandable If you are still worried about not enough storage, you can use a maximum 128GB TF card to expand High Sensitivity Full Touch Screen This Bluetooth MP3 player features a 2.4 inch touch screen and IPS screen design with mirror surface Scratch resistance.It can control and touch the whole screen, so you can operate the MP3 player like a smartphone Multifunctional The MP3 player supports Bluetooth connection, full touch screen, built-in speakers, music playing, FM radio, voice recorder, e-book (TXT file), photo browsing, screen saver, alarm, folder, calendar and stopwatch ect