6557:5500 — Mass Storage Device

This is the USB identifier for a Mass Storage Device manufactured by Emtec. The vendor ID 6557 is registered to Emtec with the USB Implementers Forum, and 5500 is the product ID that Emtec assigned to this particular model. When you run lsusb on Linux, this device appears as 6557:5500 Emtec Mass Storage Device.

Linux

$ lsusb
Bus 001 Device 004: ID 6557:5500 Emtec Mass Storage Device

You can filter directly with lsusb -d 6557:5500, or get the full descriptor dump with lsusb -v -d 6557:5500. Kernel messages from dmesg show the same pair as idVendor=6557, idProduct=5500.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_6557&PID_5500
USB\VID_6557&PID_5500&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_6557&PID_5500"

macOS

$ system_profiler SPUSBDataType
    Mass Storage Device:
      Product ID: 0x5500
      Vendor ID: 0x6557  (Emtec)

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.

The exact lines this page is generated from, in the upstream source file:

6557  Emtec
	5500  Mass Storage Device

• 6557:8005 Car Key

See all 2 devices from Emtec →