The China & Hong Kong 7-Day Data SIM is the best SIM card available in Mainland China and Hong Kong. Connect to 3G/4G mobile internet easily, and share your data across multiple devices with full tethering support! No photo ID required.</br>With the China & Hong Kong 7-Day Data SIM, you enjoy 7 days (or up to 1GB) of data service. You can also top-up online and extend your valid period for another 7 days (or 1GB) for just HK$100.</br>Use your Data SIM to browse Google, Facebook and Twitter - all available in Mainland China! This SIM provides data roaming services via Hong Kong and is free from the "great firewall of China," so browse all you want!</br>This is a 3-in-1 (Nano, Micro and Normal) SIM card type, so it can adopt to any SIM size without a SIM card cutter.</br>Seller's original "Setup guide" (English version.) is available. (Note) This is a data service only, with no voice calls. You need a SIM-free devices to use this SIM. (Frequencies and coverage) [China](2G/GSM)900,1800Mhz (3G)2100Mhz (4G/LTE)1800Mhz [Hong Kong](2G/GSM)900,1800Mhz (3G)2100Mhz</br></br>Product Description</br></br>Product Name
China & Hong Kong 7 Days Data SIM 
SIM Type
 3-in-1 SIM Card (Nano/Micro/Standard)
Validity Period
The SIM card is valid for 7 days from the date of activation.Please activate the SIM by 30/06/2017
Coverage
Hong Kong and 31 Provinces in Mainland China
Data Service
Supports tethering and shares network with other connected devices
Customer Service
Email：hk-gpd-cucs@chinaunicom.cn Tel：2122 1188 (HongKong)、130 6840 0177 (Mainland China)
Designated Operator
Mainland China: China Unicom
Please Read Before Use
Once insert into the mobile device,the SIM card will be activated. You can activate the SIM in Hong Kong and Mainland China.
You will receive a 11-digit phone number enabled SIM card(Phone number can only be used to check the data amount only and not be used for calls only)
Please retain the outer part of the SIM card for recharge and enquiry.
For checking data usage and validity period, please log in http://service.cugstore.com/ and fill in your 11-digit phone number/19-digit SIM card number and PUK.</br><br/>http://www.amazon.com/gp/product/B00YILRXKM