Form: Whenever a promotion is active on the official website, the associated code information will be presented on the product page along with in-depth information about the campaign. Rules: To copy the code, click the copy symbol appearing on the right side of the coupon. To get the discount, paste the code into the discount code box and click apply. 1. It is essential for the customers to enter the discount code before checking out to receive the discount. 2. You cannot use several discount codes at the same time (including but not limited to new subscriber discounts, special group discounts, and celebrity discounts). 3. You can use the discount code only on the official website (in case of any large-scale events, it will be specifically mentioned on the page). If you still haven't found a satisfactory answer, you can submit your queries directly on the product page, drop us an email at Service@ctechipower.com or directly send us a message, and we will get back to you as soon as possible, and we'll be glad to guide you further.