Based on your search term , you are likely looking for the configuration QR code needed to use a ShineCon VR headset (a Google Cardboard-style viewer) with a smartphone app.
If your ShineCon headset did not come with a QR code or sticker, try searching YouTube for "ShineCon VR QR code scan" — many users show the code on video that you can scan directly from your computer screen. vr shinecon qr code cardboard