Usb Device Id Vid 0951 Pid 1666 Link -

Multi-level flash memory architecture, frequently pairing the Phison controller with Hynix or Toshiba TLC (Triple-Level Cell) flash dies.

Because VID 0951 PID 1666 is a standard , it uses the generic driver built into Windows, Linux, and macOS. You usually do not need a separate driver. However, if your OS is corrupted or the device is misidentified, here are the official resources: usb device id vid 0951 pid 1666 link

43 in Device Manager.