047f:ac01 — Savi 7xx
Plantronics, Inc.
- Vendor ID
- 047f
- Product ID
- ac01
- Combined
- 047f:ac01
- Decimal
- 1151:44033
What is this device?
This is the USB identifier for a Savi 7xx manufactured by Plantronics, Inc.. The vendor ID 047f is registered to Plantronics, Inc. with the USB Implementers Forum, and ac01 is the product ID that Plantronics, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 047f:ac01 Plantronics, Inc. Savi 7xx.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 047f:ac01 Plantronics, Inc. Savi 7xx
You can filter directly with lsusb -d 047f:ac01, or get the full descriptor dump with lsusb -v -d 047f:ac01. Kernel messages from dmesg show the same pair as idVendor=047f, idProduct=ac01.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_047F&PID_AC01 USB\VID_047F&PID_AC01&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_047F&PID_AC01"
macOS
$ system_profiler SPUSBDataType
Savi 7xx:
Product ID: 0xac01
Vendor ID: 0x047f (Plantronics, Inc.)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:
047f Plantronics, Inc. ac01 Savi 7xx