Hey~ Welcome to Baseus Official Store!!! Please read the product description clearly, choose u need.Most items have ready stocks! Enjoy~ Friendly reminder: The link contains options for both 3C-certified and non-3C-certified power banks. If you need a 3C-certified power bank, please choose the option marked with CCC Certified. Differences between options: 3C-certified power banks have 3C certification and can be carried onto flights in all countries. Non-3C power banks have CE certification and can be carried onto flights in all countries except China. The 3C certification is a China Compulsory Product Certification, which only applies to flight requirements within China.