Any specification for the FUSE? John May 18, 2020 18:29 Updated Follow The fuse is a f500mal 250v. Related articles Instruction Guide What is the best way to store MP3 on the the SD card / USB Stick to get the maximum number of tracks? If i was to save each CD in its own folder am i right in thinking i could only have 99 CD's on each SD card or USB stick? How do you tune the FM frequency on this transmitter? I recently brought this device. I am not able to play my ipod connected to this device using the USB interface. Thanks in advance for your help. How does it identify, browse and show on display the various mp3 file folders on SD card ? Comments 0 comments Please sign in to leave a comment.