10-year-old son asked his father for a child's cell phone.

The ads said that the mobile phone is practical and safe, but the teacher advised students not to use mobile phone children's location query, emergency call, remote monitoring, limited access to strangers phone, set up relatives number, safe to receive all calls ...　　Although Mr Wu already knew that there was a mobile phone called a child's cell phone, when the 10-year-old son described the features one by one and asked him to buy one, Mr. Wu stared at him with a big eye.　　Dad, Buy me a kid's cell phone. Mr. Wu's child, 10 years old, was in the third grade of primary school in Jiangdong district, and after returning from school yesterday evening, his son mysteriously pulled him in and whispered. "He had a big circle with me and said," What should we do if we can't find him?　　Mr. Wu said, under his careful questioning, son Wu Cai confessed to buy children's mobile phone.　　Originally, many children received a new semester gift from their parents, and a new type of High-tech products appeared among the students--children's mobile phones.　　This kind of mobile phone advertised low radiation, absolutely safe, and can set the number, so that children can only call a fixed number of calls, but also through the positioning system to find the exact location of the child, by the favor of some parents. "My son asked me to buy him one, too."　　"Mr. Wu said. Experts advise: Do not prematurely let children contact mobile phone yesterday, the reporter asked several digital plaza in Ningbo, found in the market is rarely able to buy this child mobile phones, most parents choose to buy from the Internet.　　In Taobao, the reporter also found that the minimum price of children's mobile phones only more than 100 yuan.　　Reporters yesterday asked several schools, school teachers also said in the campus, students are prohibited with mobile phones, once found will be confiscated. "Children's phones have a lot of negative effects on children, and parents are advised not to have children's mobile phones."　　Yesterday, the Ningbo Bureau of Education related officials said. Newspaper reporter Wang