17Additional InformationCompatibilityWhen playing audio files on a USB device or network connected device, note the following:• DN-700CB does not charge any connected device and does not support USB hubs or USB extensioncables.• DN-700CB supports USB devices that are mass storage class or compatible with MTP.• DN-700CB supports FAT16 or FAT32 file systems only.• You can have up to 999 folders and up to 8 folder levels, including the root directory.• You can have up to 999 audio files. If the device contains more than 1000 files, some audio files maynot play or appear correctly.• File names, folder names, and text characters can use up to 255 characters. Only uppercase letters,lowercase letters, numbers, and symbols can be displayed. Japanese file names will not be shown.File names that begin with a “.” will not be shown.• Copyright-protected files might not play properly and/or may appear as Unknown File.When playing audio files on a USB device or network connected device, DN-700CB supports the followingtag data:• ID3 tags: Version 1.x and 2.x• for WAV files:o Sample rate: 44.1/48 kHzo Bit rate: 16/24 bito File extension: .wav• for MP3 files:o Sample rate: 44.1 kHzo Bit rate: 32 kbps to 320 kbpso Format: MPEG1 Audio Layer 3o File extension: .mp3Audio File Playback OrderWhen playing audio files from a folder on a USB drive or network connected device, the files in the folderwill play in the order in which they were added to the folder (which may be different from the order of thefiles when the folder is opened on a computer). When playing audio files stored in multiple folders on aUSB drive or network connected device, the playback order of each folder automatically corresponds tothe order of the folders on the USB drive or network connected device.