Listen to music when TF card inserted into TF card slot. Different modes like rock, classic, jazz, popular and bass are for your options.Use as a flash drive, you can transfer data from your computer to TF card like a card reader. No need to drive. Plug and play.Short press mode button to switch FM channel for your favorite channel. Listen to any channel with this small MP3 player.Volume button,FM button, play and pause button are here for simple operation.Compact size is light weight which allows you to carry it around.