When you're buying a smart watch, the first thing to consider is design.
After all, you're going to be wearing it daily, so it should suite your style.
There are watches that look like a mini computer on your wrist, like the Apple watch, then there are options that look more traditional, like the WaWa watch.
Battery life is crucial.
Most current watches last about a day and need to be charged nightly.
The Pebble Time, on the other hand, lasts about a week, but it has a low resolution screen.
Not all watches work with all phones, so find out what your phone is compatible with.
If you have an iPhone for example, the obvious answer might be the Apple watch.
But Pebble's watches and even Android watches can work with it too.
And finally, the right smart watch can also double as a great fitness tracker.
If getting in shape is one of your goals, look out for watches that include features like heart rate monitoring and Stop tracking.
In San Francisco.
I'm Sharon Profuss, cnet.com for CBS news.
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