How much is the hearing card for Zhongshan Shenzhouxing?

I've always used the Zhongshan listening card, although I seldom go back to Zhongshan in recent years. Voice roaming is free, and the minimum monthly rent is 10 yuan; Long-distance plus 12593 is 19 cents /39 cents for free and busy hours respectively; In addition, you can call 10086 at any time to inquire about the latest consulting fees/recharge discounts ~ ~