Education and parent edition fee: 1. Monthly function fee: 10 yuan/month/child. A user can order the same service for up to 3 children (each child needs to pay a normal fee); A student's information service can be customized without restriction through any number of mobile phones. After downloading the "Hehe" terminal and logging in for confirmation, the class network will be given 200 minutes of free calls every month (only used in the province, only used in the current month, not included in the next month). 2. Communication fee: use and educate through SMS, mobile Internet access, etc. , and charged according to the current SMS and data traffic tariff standards.