2 sealed they will sell first... 3rd sealed but peeled once..4th opened to take a pic.. all new. The 1 Coral USB Accelerator adds an Edge TPU coprocessor to the computer WA1 for high-speed computer learning processing. This product, manufactured by the brand Coral and featuring the model ma1, provides a significant boost in performance for various computing tasks. Ideal for those looking to enhance their computer's capabilities, the USB accelerator offers improved speed and efficiency through the integration of the Edge TPU coprocessor. This innovative add-on card is perfect for users seeking to upgrade their computer's functionality and make the most of their computing experience. (makes your computer learn faster is what Ive read)buy 1 or all 4