Kyocera today expanded its Hydro Series of waterproof smartphones with the introduction of the Hydro XTRM and Hydro Edge, two new Android smartphones built for a world that's 70 percent covered by water.

ENGADGET: Kyocera Hydro Xtrm and Hydro Edge hands-on Mobile

The lightweight and compact BarkLimiter series features integrated stainless steel contact points and is waterproof in one meter of water for up to 30 minutes.

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