Memory modules for small capacity storage, the cost is lower than
TF card, NAND FLASH. Capacity of 1 m - 32 m Byte.
Module factory default capacity of 4 m Byte.
Only support MP3 format file, it is by means of the USB module
connected to the computer USB port, copies the MP3 files from the
computer to the module within the small storage capacity, like as
simple to use U disk.
Module on the USB port for the mini USB port, as most of the smart
phone USB port.
The power supply voltage: 3.7 to 5.0 V. Can use lithium battery, or
section 3 batteries.
2 W amplifier module itself, can be an external 0.5 W - 3 W
speakers.
The module itself four function keys, in the order: play/pause and
volume, the volume reduction, the next song.
