https://www.hzo.com/in-the-news/raku...thanks-to-hzo/
"Goodbye port covers. Utilizing HZO’s waterproof coating, Rakuten Kobo has released an IPX8 rated version of its popular Kobo Aura H2O waterproof eReader without rubber plugs needed to prevent water ingress. The first-generation product featured port covers that were required to achieve IPX7 water protection.
HZO’s innovative thin-film coating solution provides the Kobo Aura H2O with unmatched protection by shielding the internal circuitry of the eReader to prevent damage caused by liquids and moisture, making Kobo’s new eReader sleeker, lighter, and safe to use anywhere, including the beach or even in the bath.
The Kobo Aura H2O is the second Kobo eReader to feature HZO Protection. Kobo’s flagship product, the Kobo Aura ONE debuted last August with the same IPX8 rating and to rave reviews."
It seems soap etc isnt meant to be an issue - they say
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HZO protects electronics from the most demanding environments with world-class nano coatings.
HZO is the global leader in delivering world-class protective nano coatings that safeguard electronics from the most demanding environments – be it water, salt, dust, dirt, coffee, or corrosive materials. We work with some of the largest companies across industries from design through production, no matter the volume, complexity, or protection required to deliver a better, more reliable and more durable water resistant and waterproof product.
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