1. Replicate the promo code for EarFun you wish to use from the page, and click to get code.
2. You will subsequently see the offer code appear and get automatically copied to your clipboard.
3. You'll then have to return to the checkout page of myearfun.com, find the designated box for the promo code, and enter the discount code you had previously copied.
4. Lastly, you are required to click on Apply Code to ascertain the amount of discount applied to your present order.