RivenAn Mini Digital Portable Music MP3 Player Micro SD USB FM Radio TT-028, Blue Supports micro SD/TF card, USB flash disk, FM radio, etc. LCD digital screen shows time and power, with telescopic antenna and earphone output function. Supports LINE IN function, receiving audio source from MP3, MP4, PC, Notebook, iPod, iPhone, etc. Light weight, great for both home use and travel use. Build-in high sensitivity FM radio frequency module with excellent signal, Build-in high capacity rechargeable battery, support long time music playing.