Can't combine with other discount.
1. Check available products list at here>>, non-list products won't enjoy the discount.
2. Add what you want to your cart from available list.
3. Check out
4. When quantity more than 2pcs(2*A or 1*A+1*B), discount will auto apply
5. If you want to buy 4 or 6 pcs, which is more than 2pcs, better to order separatly to enjoy the discount, please don't worry about the shipping fee, shipping fee according to the products total weight, and we offer free shipping (order more than $99, total weight less than 2kg).
Any quetions, please feel free to contact firstname.lastname@example.org, we will reply asap after the holiday.