180 ml USB Aroma Diffuser & Scent Options

The PY02 ultrasonic diffuser is described with a 180 ml capacity in the title, USB 5 V input, 2 W power, one mist outlet and approximately 30 ml/hour output. Supplier specifications list water-shortage shutoff, no timer, noise below 36 dB and coverage below 10 square meters. Seven-color LED lighting is advertised in the title but not detailed in the specifications. Variants mix Black/White devices, scent-only labels and device-plus-scent labels. Air purification and sleep benefits are not established.

Frequently asked questions

Does every option include a diffuser?

No complete contents map is supplied. Scent-only names may be refills, while Black/White and combination labels may indicate devices or bundles. Confirm the exact selection contents before ordering.

What power does it need?

The supplier lists USB 5 V and 2 W. Cable and power-adapter inclusion are not specified.

Does it shut off when empty?

Water-shortage shutoff is listed. A timer is not listed.

Can I add any essential oil?

Use only products the manufacturer confirms as compatible. Oil composition, bottle volumes and variant-specific instructions are not supplied.