Many roads lead to successful learning. Ultrasound is the functional principle of the mental trainer from Kosys. In order to increase concentration and learn languages, this handy device transmits the ultrasound, which cannot be detected by the human ear, directly onto the body. The contemporary housing design of the manufacturer’s learning tool, including touch display, was implemented by Elektrosil. > The challenge The customer wanted a slimline, compact look similar to that of the latest smartphones for its mental trainer with ultrasound function. The device should be easy to operate, and have a touchscreen as a further development of the preceding version. > The solution Elektrosil completely revamped the design of the device and supported its customer who was going into so

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