孩子多大的时候可以拥有一部手机?对于这个问题，家长们仍然很纠结。

　　孩子多大可以用手机?

　　CBS News: It's a question parents have debated for over a decade: At what age should their kids be allowed to have their own cell phones?

　　The reality is that most kids have mobile cellular devices well before high school.

　　John Breyault, vice president of public policy, telecommunications and fraud at the National Consumers League, commissioned a study in 2012.