This is a sealed reel of 550 pieces of an Espressif ESP32 module: ESP32-WROOM-32 (Espressif part #: M321X0332R00). It is dated August 2018 and was purchased by our company, 64seconds, and is now excess inventory. The sealed package has always been stored in our climate-controlled storage facility.
Note that this part is NRND (Not Recommended for New Designs). It’s obsolete but offered for anyone manufacturing a product.
We are selling at a 66% discount on the purchase price today.