Brand：Cool Data Sim
- China (automatically overturning the wall) 30-day 4G high-speed data card (data usage: 15GB) SIM card, Internet card, travel card
- This card provides 15GB high-speed data
- After all the data usage of this card is used up, the data service will be suspended and there will be no value-added.
- Can use Facebook, Whatsapp, Google, etc.
- No need to register, just buy and use
- Two-in-one SIM card (micro/nano), suitable for any Internet device/smartphone
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