What is the purpose of the M.2 NVMe SSD to M.2 A-Key WiFi Port Adapter?

The M.2 (NGFF) NVMe SSD to M.2 A-Key WiFi Port Adapter is designed to allow an M.2 NVMe SSD (which typically uses an M-Key or B+M Key slot) to be connected to an M.2 A-Key slot, which is usually intended for WiFi or Bluetooth modules.