WHAT YOU GOT?
1 * USB Sound Button + 1* Micro USB Cable + 1*Instruction + AAA battery*2.
HOW TO USE?
Step 1: Connect the sound button to computer via micro USB cable(included)
Step 2: Drag and drop the sound files to the removable disk (in MP3 or WAV, not folder, less than 8MB)
Step 3: Disconnect, set ON/OFF Switch to "ON", press and enjoy it.