2ac7:ffff — DFU
Ultrahaptics Ltd.
- Vendor ID
- 2ac7
- Product ID
- ffff
- Combined
- 2ac7:ffff
- Decimal
- 10951:65535
What is this device?
This is the USB identifier for a DFU manufactured by Ultrahaptics Ltd.. The vendor ID 2ac7 is registered to Ultrahaptics Ltd. with the USB Implementers Forum, and ffff is the product ID that Ultrahaptics Ltd. assigned to this particular model. When you run lsusb on Linux, this device appears as 2ac7:ffff Ultrahaptics Ltd. DFU.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 2ac7:ffff Ultrahaptics Ltd. DFU
You can filter directly with lsusb -d 2ac7:ffff, or get the full descriptor dump with lsusb -v -d 2ac7:ffff. Kernel messages from dmesg show the same pair as idVendor=2ac7, idProduct=ffff.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_2AC7&PID_FFFF USB\VID_2AC7&PID_FFFF&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2AC7&PID_FFFF"
macOS
$ system_profiler SPUSBDataType
DFU:
Product ID: 0xffff
Vendor ID: 0x2ac7 (Ultrahaptics Ltd.)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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
2ac7 Ultrahaptics Ltd. ffff DFU