The prototype being used in the trials looks like a digital watch with no face. There’s a square circuit board topped with components (a battery and a glowing green LED are most easily recognizable) within a frosted enclosure held in place by four screws. It’s centered on a wide, black, rubbery-looking watch band.
The device will eventually include a display that can give immediate feedback, showing data such as resting heart rate or calories burned. It will send data to your smartphone via Bluetooth so it can go to a remote Quanttus service for analysis before deeper insights are fed back to the phone. This is similar to the way the Nike Fuelband and Jawbone Up work, although Quanttus claims it can do the tracking part much more accurately than existing wearable gadgets, whose metrics often vary from device to device even when used simultaneously (see
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