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Summary:

Little is known about Apple’s rumored smartwatch, but new reports suggest the device could feature wireless charging and track health in a number of ways.

iWatch 2 concept

Apple’s iWatch is still a mystery, but two new reports might shed some light on the long-rumored wearable. 9to5Mac claims the watch will pair with a new “Healthbook” app coming in iOS 8 to function as an advanced activity tracker. And the New York Times reports that Apple has been exploring solar power and wireless charging for both the iWatch and other devices.

Let’s start with the digital health element, since I think that’s the more likely feature to make its way into the first generation of a potential smartwatch. According to 9to5Mac’s report, Apple plans to introduce an app called Healthbook in the next version of iOS. This app will reportedly be able to cover all of the activity tracking basics — like calories burned, miles walked and steps taken — and will help users manage weight loss. More interesting, though, is that the app is said to be able to track advanced data like blood pressure, heart rate and hydration and glucose levels.

While the iPhone 5s — with its M7 motion coprocessor — is currently able to measure information like steps taken, measuring data points such as blood pressure and heart rate requires a device that is more likely to be worn on a wrist than placed in a pocket. That’s where the iWatch comes in. 9to5Mac notes that Apple has recently tapped fitness and sensor experts and may be building this functionality into the iWatch. The iWatch could collect the data, and Healthbook couldbe a way to organize and make sense of it. It could also tie in with other apps like Reminders to remind you when to take your medicine, for instance.

As noted, these features are rumored to be included in iOS 8. So if Apple follows its traditional yearly OS release schedule, it means we could also be seeing the iWatch by the end of this year.

A solar-powered smartwatch

In addition to the potential health focus, the New York Times reports that Apple has been looking into solar power and wireless charging for the smartwatch. According to its source, “The watch is expected to have a curved glass screen, and one idea is to add a solar-charging layer to that screen, which would give power to the device in daylight.”

Aerial view of Apple's solar farm

Aerial view of Apple’s solar farm

That curved glass screen is a rumor that has been floating around for quite some time now, but the idea of solar charging is fairly new. Last week a report suggested that Apple might be inscribing solar panels into sapphire glass screens for the next iPhone.

The New York Times points to a number of recently hired engineers at Apple with expertise in battery design and power technology, as well as a recent job listing the company posted for engineers who specialize in solar energy.

The report also mentions that Apple has tested wireless battery charging, similar to the magnetic Qi-based charging pads that Nokia has used in a number of its recent phones. Apple is also said to have tested charging the battery though movement, which is a technique currently employed in other watches on the market. This would mean that movement made while wearing the device could activate a small charging system within it, which could then provide power.

It isn’t clear which, if any, of these charging features will make their way into the iWatch or other Apple products. And unfortunately, the report says that these features are “years from becoming a reality.” A report last month suggested that Apple’s progress on the iWatch was delayed considerably due to battery issues. This goes to show that, in the category of wearables, battery life is arguably one of the most important features to consider.

The way that I see it, users are already accustomed to charging their mobile devices about once a day. But for a smartwatch to really break through, it’ll have to stay charged long enough – and offer enough compelling features — that it’s no longer just a second screen for your smartphone, but an indispensable device in its own right.

  1. If Apple wants to see more iPhones used in outdoor activities or in hospital contexts then it needs to build new models that work well in those contexts:

    1. Outdoor activities mean water and hospitals mean bodily fluids along with a need to sanitize. Apple needs a ruggedized version of the iPhone and iPad mini. Waterproof not just water-resistant.

    2. Some outdoor activities stretch into days and some hospitals and ERs have 12-hour shifts. A heavily taxed iPhone won’t do well in either context. Create an Extended Life version.

    Done right, perhaps building to MilSpecs, Apple would have one-up on a competition that can only say, “but look at our really big screen.”

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  2. Technology like this would be huge for the popularity and usefulness of an iWatch http://smartwatchforiphone.com/2014/02/04/potential-wireless-solar-iwatch-charging/

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  3. Wearable solar – brilliant! (if they can do it).

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