How can I access the Fast Forward and Reverse functions using the controls on the unit (without using the remote). John July 02, 2018 23:45 Updated Follow Unfortunately, you will not be able to fast-forward/rewind the files without the remote. Related articles Instruction Guide How long is the transmission range? 50 meters, 1km? What is the best format for the Soundfly to use (NTFS, FAT32, etc.)? Does it support and transmit in stereo from USB, SD card and aux in? Comments 0 comments Please sign in to leave a comment.