The smartwatch race has suddenly gotten pretty crowded with many more devices on the way now that Google has officially blessed them., but the features can vary widely. Most of these products connect to a smartphone. But in addition bo hosting an HD camera, fitness tracking, and cloud services rolled into a customized Android UI?, the inWatch Z packs in a cellular radio while retaining a pretty svelte profile. Battery life, though, could be an issue. Interested backers can get their very own inWatch Z for $199.