It isn't meant to be seen, so the design is simple and functional: There's a micro USB port for charging on one end, and a multifunction button and three status lights on the side. It looks a bit like a thumb drive, or even the Fitbit One ($329.95 at Amazon) to a degree. Physically, the core is a small, white piece of plastic that measures roughly 1.5 by 0.6 by 0.3 inches (HWD) and weighs less than an ounce. The band itself is really just a body for what Sony calls the core, which is the brain of the device. Best Hosted Endpoint Protection and Security Softwareĭesign and FitAt a glance, the SWR10 looks a lot like your standard, nondescript activity tracking band, but that's only half of the story.