Good morning, respected judges, teachers, and fellow students. Today we are here to debate the motion. This has believed that children under 13 should not be allowed to use smartphones. Before presenting our argument, let us first clarify what this motion means by children under 13. We mean children should not own or use smartphones. We mean children should not own or use touchscreen smartphones with internet roadmaps. Our team has three main arguments. First, smartphones harm our physical health. Second, smartphones bring online dangers. Finally, smartphones distract us from school and real friends.