China Unicom Prepaid Data SIM Card, Can access Gmail in China. (3-in-1 Size) 2GB Data Preloaded, Ship From USA CA Triple size China Unicom Sim card - good for any phone model Activation takes 1-2 days, please send us the Sim card number and the date of arrival Must use our VPN services in order to be able to use Google, Facebook, Twitter, Whatsapp, etc 2GB for 30 days, please contact us to activate the sim card before travel