3340:a0a3 — deltaX 5 BT (D) PDA

This is the USB identifier for a deltaX 5 BT (D) PDA manufactured by Yakumo. The vendor ID 3340 is registered to Yakumo with the USB Implementers Forum, and a0a3 is the product ID that Yakumo assigned to this particular model. When you run lsusb on Linux, this device appears as 3340:a0a3 Yakumo deltaX 5 BT (D) PDA.

Linux

$ lsusb
Bus 001 Device 004: ID 3340:a0a3 Yakumo deltaX 5 BT (D) PDA

You can filter directly with lsusb -d 3340:a0a3, or get the full descriptor dump with lsusb -v -d 3340:a0a3. Kernel messages from dmesg show the same pair as idVendor=3340, idProduct=a0a3.

Windows

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

USB\VID_3340&PID_A0A3
USB\VID_3340&PID_A0A3&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_3340&PID_A0A3"

macOS

$ system_profiler SPUSBDataType
    deltaX 5 BT (D) PDA:
      Product ID: 0xa0a3
      Vendor ID: 0x3340  (Yakumo)

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:

3340  Yakumo
	a0a3  deltaX 5 BT (D) PDA

• 3340:043a Mio A701 DigiWalker PPCPhone
• 3340:0e3a Pocket PC 300 GPS SL / Typhoon MyGuide 3500
• 3340:ffff Mio DigiWalker Sync

See all 4 devices from Yakumo →