The Cook-Key® is an accessory that enables TM5 users to send recipes from Cookidoo®, the online recipe platform, directly to the display of the TM5 via wi-fi. It has a storage capacity of 8 GB and attaches to the side of the Thermomix TM5. It is available for purchase from a Consultant or in the online e-shop at https://shop.thermomix.ca/product/cook-key/
The Cook-Key® is not compatible with the TM6, which is fully integrated with Cookidoo®.