1.good output music 2.support micro USB/TF card and FM radio 3.be ... it. - Support double decoding(mp3/WMA), USB-host and Micro SD- Supply HIFI sound quality, low power dissipation - Support ... by connecting with U disk and inserting Micro SD card, MP3 format music - PC, laptop, computer, ... N-F12 Mini audio box Car Speaker Music USB Micro SD/TF Car portable speaker for computer