Automatic switch (no button on the card)
Open the greeting card automatically play, close the greeting card automatically shut down.
You can also add some function keys according to your own requirements, such as: play, stop, pause, volume and so on.
Standard USB cable connected to the computer charging
Through the USB cable to connect the computer, find the mobile disk, you can change, delete, upload any video to the video card.
Equivalent to ordinary U disk.