The Logitech MK540 Advanced is a superior wireless mouse and keyboard set, designed to offer precision, comfort and reliability with Swiss QWERTZ layout (CH). Thanks to advanced features, it is perfect for both professional and home environments. Keyboard Features: Swiss QWERTZ Layout (CH) Ideal for Swiss users or those who work with Swiss German language. Silent and Precise Keyboard optimized to reduce noise, with abrasion-resistant mechanical keys. Dedicated Multimedia Keys Quick access to functions such as volume, calculator, battery control and media player. Ergonomic design With support for integrated wrists and adjustable feet for a comfortable and natural position. Water resistant The keyboard is waterproof, for protection from accidental sketches. Features of the Mouse: Design Ambidestro Sagomato to fit both hands, with soft rubber grips. Accuracy and Control Accuracy and tracking optimized for each surface. Waterproof Built to resist splashing water. Connectivity and Extra Functions: Freedom Wireless Total Stable wireless connection up to 10 meters thanks to the USB receiver Logitech Unifying. Plug & Play Technology No complicated installation: connect the receiver and start working immediately. Encrypted Security secured in data transmission. ? Key Advantages: Accurate Swiss QWERTZ Layout and comfortable Waterproof and wear-resistant Mouse ambidextrous with ergonomic grips Multi-media keys for immediate access to key functions Support for wrists and adjustable feet for continuous comfort Safe wireless connection up to 10 meters USB receiver Unifying compatible with other devices Logitech Mouse tracing fluid and precise desires Durable functionality with software Logitech.