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SAN FRANCISCO — Samsung introduced a new smartwatch here at Google I/O today called the Samsung Gear Live. The watch is gadget giant’s first to run on Google’s Android Wear operating system.

The Android Gear OS is organized by “cards” for messages, reminders, and other functions. The demo watches loaded with a preset group of cards; the whole OS was not available. But I’ll show you some of the cards users will use most.

Below, you’ll see one of the optional home screens on the Samsung Wear Live, a Rolex-style analog watch design.

Samsung Gear Live clock

Above: Samsung Gear Live clock

Image Credit: Mark Sullivan/VentureBeat

The compass function in the watch can keep you oriented on a hike. Unfortunately the Gear Live contains to GPS radio, so it can’t map your routes.

Samsung Gear Live compass

The sensor on the back of the watch senses heart rate and displays it on the watch or on another Android device. The line of five copper contact points just above the sensor is where the watch connects with its charger.

Samsung Gear Live sensor

The Gear Live displays your heart rate, and logs the results of multiple measurements.

Samsung Gear Live heart monitor
Using the accelerometer, the watch counts and graphs your steps throughout the day.

Samsung Gear Live steps charts

The right side of the Gear Live has a single button that wakes up the phone from low-power mode. That’s all it does.

Samsung Gear Live reply

Above: Samsung Gear Live reply.

Image Credit: Mark Sullivan/VentureBeat

The calendar in Android Wear sets calendar entries and sends reminders on your wrist.

A music player in Android Wear controls music on your phone and other Android devices. You can shuffle through songs and get a limited amount of metadata on the music.

Gear Live also presents travel information like the status of a flight or reminder about a hotel reservation.

Samsung Gear Live flight

Above: Samsung Gear Live flight.

Image Credit: Mark Sullivan/VentureBeat

The accelerometer inside the watch counts the user’s steps and reports them on the screen. There’s also a sensor on the underside of the watch that can track heart rate.

Samsung Gear Live steps

Above: Samsung Gear Live steps.

Image Credit: Mark Sullivan/VentureBeat

The watch lets you get instant messages and notifications on your wrist. You can dismiss them or respond by voice.

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