The USB solution can support:
1.Folder: 1024 max.
2.File: 4096 max.
3.Depth of folder: 8 layers
4.Size: 1 GB
CAUTION: When there are important files in the USBdevice, do not connect
it to the main unit to play. And don not play the CD-R/RW disc that has
important files in it. Because any wrong operation may cause files loss.And
our company assumes no responsibility for this.
According to the customer is need, the unit will add a SD/MMC interface.
See below, the SD/MMC interface is on the housing of the unit.
When you insert a SD/MMC card in the SD/MMC interface, the unit will
search the Mp3 files or WMA files in the card and start to play Mp3 files or
WMA files automatically.
The operation is the same with the Mp3 operation described above. If in
other mode, you can also press MOD button to select SD/MMC mode.
In record mode, it will record to USB first.