This kind of service is usually some value-added services of SP company. There may be a traffic charge for connecting to gprs. I suggest you call local 10086, or log on to the mobile portal to check the detailed list and see if your part of the cost is more. If it is cancelled, it will basically not affect, and some basic services such as calls and text messages will not affect. However, it is recommended to call local 10086 for consultation before cancellation.
If you like reading this information online, book a package. Beijing GPRS Package 5 yuan 30M 20 yuan 150M 50 yuan 500M 100 Yuan 2G 200 yuan 5G, I hope I can help you.