Sentence examples for an optical heart from inspiring English sources

There is an optical heart rate sensor beside the camera on the back.

The back of the watch contains an optical heart rate monitor, which logs a user's heart rate throughout the day and plugs directly into the company's Health app.

It also manages to pack in an optical heart rate sensor, boasting a battery life of three to five days on one charge.

LG's G Watch R boasts the usual suite of sensors, but it also has an optical heart rate monitor, something the original G Watch lacked.

However, it doesn't have an optical heart rate monitor, which makes sense given that people often don't work out while wearing $3,000 watches.

It also somehow manages to pack in an optical heart rate sensor, all while boasting a battery life of three to five days on a charge.

The Charge HR is exactly the same as the Charge – a chunky rubber band about the width of a thumb – but with a traditional watch buckle and an optical heart-rate sensor.

The ZeTime has an activity tracker, an optical heart-rate monitor, notifications and all the rest.

On the back is an optical heart-rate monitor — the same fare you'll see on most of these devices.

A constant optical heart rate monitor sits under the clasp, an accelerometer and gyroscope track steps and a GPS measures distance without the need for a phone – which all help monitor workouts and runs.

With a proprietary optical heart rate sensor and accelerometer, the medically listed device provides accurate data for users to see their progress.