A mobile phone having a touch screen display includes a touch screen lock which is activated during an ongoing call by contacting the touch screen a first time and pressing again within a predetermined time duration interval the touch screen lock remains active during subsequent pressing contacts. A first finger gesture is used to select a display area from which data is to be copied. The device is characterized in accordance with the invention in that the running surfaces are provided with reinforcement elements 11. The first nonwoven layer has a Fiber Orientation Ratio within about \xb120 degrees from a primary fiber direction of at least about 65%. Thereby, in spite of the divided light window, a continuous light window is discernible for the observer, as required by the legislature, when both light windows fulfill the same lighting function.