The invention relates to a polymer mixture, especially for decorative surfaces in an automobile interior, that displays an improvement in long-term functionality with respect to the properties of writing sensitivity, soiling and cleaning behavior, abrasion resistance, and antisqueak behavior, both in the delivery condition and in the used condition. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. Embodiments of the present invention are used for power saving of the communication terminal and relate to the field of wireless communication.