0781:5571 — Cruzer Fit
SanDisk Corp.
- Vendor ID
- 0781
- Product ID
- 5571
- Combined
- 0781:5571
- Decimal
- 1921:21873
What is this device?
This is the USB identifier for a Cruzer Fit manufactured by SanDisk Corp.. The vendor ID 0781 is registered to SanDisk Corp. with the USB Implementers Forum, and 5571 is the product ID that SanDisk Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0781:5571 SanDisk Corp. Cruzer Fit.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0781:5571 SanDisk Corp. Cruzer Fit
You can filter directly with lsusb -d 0781:5571, or get the full descriptor dump with lsusb -v -d 0781:5571. Kernel messages from dmesg show the same pair as idVendor=0781, idProduct=5571.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0781&PID_5571 USB\VID_0781&PID_5571&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0781&PID_5571"
macOS
$ system_profiler SPUSBDataType
Cruzer Fit:
Product ID: 0x5571
Vendor ID: 0x0781 (SanDisk Corp.)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page. SanDisk Corp. official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
0781 SanDisk Corp. 5571 Cruzer Fit