Check the range.
Not just the name.

Two ranges on the same owner page

Dyson’s US HD19 owner page gives 110-240V in its travel section and 100-240V in its international-travel FAQ. We have not established which statement applies to the exact regional appliance. At Japan’s 100V supply, these ranges lead to different voltage checks. Dyson owner page, travel section and FAQ ↗

Dyson’s US Prussian Blue/Rich Copper product specifications also list 100-240V. We still have not resolved the owner-page inconsistency or completed the exact-model electrical checks. Dyson product specifications ↗

What to confirm before packing

Find your model code and electrical label, including voltage and frequency. If the label and instructions do not clearly agree, ask Dyson to confirm the permitted rating for that exact regional model. Help reading your label ↗

You can make the question specific:

My model code is [code] and its label reads [rating]. Does this exact version support 100V at my destination’s frequency? Your owner page lists two different minimum voltages.

Japan has both 50Hz and 60Hz regions. Confirm the frequency for your destination as well as the voltage.

An adapter is a separate check

Dyson’s page recommends an adapter rated for 1300W across its stated voltage range. That advice does not resolve the conflicting appliance ratings or establish an adapter suitable for your actual outlet. Dyson adapter advice ↗

If the answer remains unclear

Arrange a suitable local or hotel dryer rather than relying on an unresolved answer. This does not establish that every Supersonic Travel is incompatible with Japan. It also does not apply Travel specifications to other Supersonic versions.

Document-based review: September 13, 2026. This model is not approved in our checker. No hands-on testing claimed. Follow your exact model’s current label and manufacturer instructions.