Most smartwatches on the market today act as companions for your mobile devices, letting you view your smartphone's notifications or app content on your wrist. Exetech's XS-3 packs Android 4.0 and a SIM slot so it can work without a linked smartphone, and joins the likes of the Neptune Pine, the Goophone watch and the Watchphone as an independent wrist-worn computer. You can get the XS-3 in Black (White available in the future) for $480 (349 EUR) on Exetech's website.



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