LG G Watch
Android Wear will pull in Google Now cards, like the ones that provide you with travel estimates.
LG G Watch
You can receive alerts from your phone on your wrist, but also speak to your Android device to do things like compose and send a message.
LG G Watch
Keep tabs on your activity levels with a step tracker.
Samsung Gear Live
Google Now travel alerts on the Samsung Gear Live.
Samsung Gear Live
Motorola Moto 360
The Moto 360 is the only Android Wear device thus far to adopt the circular watch face.
Motorola Moto 360
It too can provide fitness data.