Sony M4 Aqua (6 of 9)

The Sony Xperia M4 Aqua has been rolling out slowly, initially in the UK, and Sony has also announced a Canadian launch sometime later this month. That leaves the question of: when will the US get it? Sony has not issued any information about a US launch, but Amazon has different plans. For $349, US customers can now buy the Xperia M4 unlocked.

Related: Best Sony Xperia M4 Aqua cases

Note that the model being sold on Amazon (E2303) by well-reviewed retail Canguro is only the 8 GB variant, and of that space, only 1.26 GB is actually usable. Luckily, the M4 supports a microSD card, and the cost of a card wouldn’t be too outrageous. And for $349, the M4 has a lot to offer.

The Xperia M4 Aqua is a fitting name because it is IP68-certified, meaning dust and water resistant, a feature that often isn’t even found in higher-end smartphones. It packs a 5-inch display that is only 720p. But that screen is powered by an octa-core Snapdragon 615 processor with 2 GB of RAM. By far, the most impressive aspect of the M4 is the battery life. Sony has promised two day battery life.

This attractive battery life and IP68 certification means that the M4 is meant for those who need or want a rugged phone that can survive a dunk. Would you be willing to sacrifice a nicer screen for two days of battery life?

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