Reddit reviews China Unicom Cross Border King Mainland -HK Prepaid SIM 4G Hong Kong Number (Stored-Value HK$80)

Nano、Micro、 Normal All-in-one SIMThe SIM card is valid for 90 days from the date of activation. Expiry Date: 30/06/2020This card has HK$80 stored value voice service for receiving calls or making outgoing calls to designated places in Mainland, Taiwan, Macao, Japan and Hong Kong.Once the SIM is activated, $6 monthly fee will be charged immediately. After the first month, $6 monthly fee will be charged automatically on the first day of each of the following months.If the balance amount is insufficient to deduct the monthly fee, the service will be suspended without prior notice until the SIM is recharged. The monthly fee during service suspension period will be deducted immediately upon recharged.