The information fee charged by Aiyue is 10 yuan per month, which is used to provide value-added ring tone services.

AiMusic is a value-added service launched by the telecommunications business hall. It provides the function of turning incoming ringtones into cool ringtones. In order to enjoy this service, users need to pay a monthly service fee of 10 yuan. This fee is usually listed on the user's monthly phone bill and is automatically deducted. By paying this fee, users can choose and set their favorite ringtones as incoming call ringtones, making their phones more personalized and interesting. The fee for the iMusic service is to provide and maintain this function and ensure that users can continue to enjoy the ringback service. Therefore, the information fee charged by Aiyue is 10 yuan per month to provide value-added ring tone services.