I bought I phone 11 Pro Max mentioned ECO device, what does mean ECO device ?

Eco devices are display devices, they comes with original 1 year Apple warranty and in the box there will be no charging cable

Are you perhaps referring to the iPhone case? “ECO friendly” cases are available for your iPhone. ECO refers to a device being environmentally friendly and often biodegradable.

neethu-vishnu wrote:

Eco devices are display devices, they comes with original 1 year Apple warranty and in the box there will be no charging cable

Can you provide a link to this device? I can't see where Apple makes such a thing.

According to the Cambridge Dictionary, this is the definition:

eco product

noun 

a product that is designed to protect the environment: