Yes, all of our products are certified and will have the appropriate markings on the products.
AUKEY AiPower enabled USB ports provide the safest maximum charging speed for all your different devices for a healthier battery function. The green color identifies the AiPower ports on your AUKEY products.
It is normal for a little heat to be emitted from the product, but it shouldn't be too hot to handle. In this case, please stop using the product and contact our support channel for more help.