1. Applicable to any Micro SD/TF card, the current test can support up to 512GB.  
2. The aluminum profile of the side strip is closely integrated with your notebook.  
3. The same material and craftsmanship as the notebook, finely carved by CNC, to match your notebook style.  
4. Quick and easy access with a fingertip or a card like a bank card.  
5. Automatically back up your data with your MacBook.  
6. Plug and play to solve the problem of insufficient capacity.  

Note:  
1. The reading and writing speed of the ferrule is mainly related to the reading and writing speed of your Micro SD/TF card itself.
2. Does not include a Micro SD/TF card.