The instructions for putting the headset together can bo found in the Wiki a:
As a guidance:
- For 4.4 inch smartphones and smaller, you will need all 3 lenses — iPhone 5/5S/5C, iPod, Samsung S3 or S4 mini;
- For smartphones with a display size between 4.5 and 5.1 inches, you will only need the A and B lenses (one dot and two dots) — iPhone 6/6S, Samsung Galaxy Series (S3/4/5/6 etc.), Nexus 4 or 5, Sony Z2 and Z3, LG G2, HTC One M7 and M8;
- For smartphones with a display size of 5.2 inches and above, you will only need the A and C lenses (one dot and three dots) — iPhone 6 Plus or 6S Plus, Samsung Note Series (3/4/5), Nexus 6, OnePlus One, LG G3;
The order of these lenses should be with the one dot lens (A) closer to your eyes.