i-dime - The ultimate storage expansion solution for your iPhone.

i-dime: To expand your iphone storage.

idime is a simple solution for your iPhone storage problems. It adds extra storage to iPhone. With these i.dime you can add up to 256GB of Storage to your iphone. Whether you change or upgrade your device, i.dime is compatible across all the i.dime devices to stay with you throughout years to come. 

Sharing contents to other devices is just a snap away.simply snap off the i.dime and place it on the USB holder provided. Then use it as a thumb-drive and plug it in to your computer. Lightning and micro USB holders are available as well for your tablets and non-Apple smartphones.

When the time comes to transfer your data, i.dime supports blazing fast 95MB/s read and 90MB/s write speeds. This ensures all content, whether it be 4K videos or high-resolution images, can be enjoyed with minimal lag or delay. For example, 16GB of photos and videos will take less than 3 minutes to transfer.

Compatibility: i.dime case is compatible with iPhone 5, SE, 6, 6+, 6S, 6s+,and 7.

• Backup your native iOS contacts, photos and videos to the i.dime with a press of a single button. 
• Manage files on the i.dime with full visibility of all the files stored.

Link:

https://www.indiegogo.com/projects/idime-magnetic-dime-sized-iphone-memory-boost-mobile-gadgets#/

It ranges from 32GB to 256Gb and for price it starts from $48USD to $269USD