Are you asking if it's possible to use the same Square reader to accept payments using multiple devices logged into separate Square account, @Hhhut? If so, the answer is yes - learn more here, and if you're asking about the Square Reader for contactless and chip, you should check out this thread for more information.
Let me know if this isn't what you were looking for, and welcome to the Seller Community ✨
Valentina
Community Moderator, Square
Sign in and click Mark as Best Answer if my reply answers your question.
