What is t 15s?

As an AI language model, I assume that you are referring to t15s, which could mean several things:

• It could refer to a specific model or series of laptops or computers manufactured by Lenovo, as some Lenovo laptops carry the t15s model name.
• t15s could also refer to an abbreviation or code name for a specific product or project in various fields, such as technology, science, or research. Without additional context or information, it is difficult to provide further details about t15s.