It tracks your steps.
Every step counts, even those you take to get out the door when you go for a walk.
Source: Boston Dynamics/YouTube
It works with the new Pebble 2 and Time 2 smartwatches if you want to see your fitness data in real-time without bringing your phone.
And it's one of the few devices that lets you load your Spotify playlists, too, so you can listen to your Spotify music without having to bring your smartphone.
You can use a 3G data connection to use basic functions on certain apps, like call an Uber to your location.
The 3G data connection also lets you send out an SOS signal for emergency services. They'll be able to locate you with the built-in GPS, too.
It can sync with some of the most popular fitness apps, like Runkeeper, Strava, Under Armor Record, MapMyRun, and Google Fit.
And it also has a microphone, which lets it work with Amazon's excellent voice-enabled assistant called Alexa. It's like having a portable Echo, Amazon's hugely popular smart Bluetooth speaker.
And there's a bunch of other things you can do with the Echo's Alexa you can do with the Pebble Core, like asking it about your upcoming meetings that day.
Check out everything Alexa can do on the Echo.
