The Xbox One uses an input device called the Kinect.
Kinect ( codenamed Project Natal during development ) is a line of motion sensing input devices by Microsoft for Xbox 360 and Xbox One video game consoles and Microsoft Windows PCs . Xbox One . The console optionally included a redesigned Kinect sensor , marketed as the `` Kinect 2.0 '' , providing improved motion tracking and voice recognition for use in its graphical user interface ( GUI ) and games . It was praised for its smaller size , its on-screen visual improvements , and its lack of an external power supply , but its regressions such as the lack of a native Kinect port were noted .