Sunglasses is 색안경 in North Korea. Literally coloured glasses.
쓰세요 in this context is to "use" the said item. Which means for us to "wear" the "pink sunglasses."
쓰다 has many meanings and usages. In this context, it refers to wearing them, not using them. If you say, "Use pink sunglasses.",that would be "분홍 선글라스를 사용하세요."
check the tips for this section on the website, it gives a whole chart of different verbs that mean "to wear", for example: 쓰다 = to wear on the head (hat, glasses, etc.)