HoMedics SOUND SPA SS-2000-CA Manuel D'instruction page 7

Maintenance
To Store
You may leave the unit on display, or you can store it in its box or a cool, dry place.
To Clean
Wipe off dust with a damp cloth. NEVER use liquids or abrasive cleaner to clean.
Modifications not authorized by the manufacturer may void users authority to operate this device.
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