The Lenovo Essential Wired Combo Keyboard Mouse keeps things simple. This durable keyboard and mouse plugs into any USB port with wired reliability you can count on. The tough waterproof membrane can handle accidental spills without risking performance. Enjoy feel-good typing with quiet keys and number pad in a modern space saving layout. An ergonomic full-size mouse offers comfort and support for all-day use. Increase your productivity as you smoothly complete tasks with the 1000DPI high resolution optical sensor. Keyboard Recommended usage: Office Device interface: USB Keyboard key switch: Membrane Keyboard language: French, German, Swiss QWERTZ Pointing device: No Keyboard form factor: Full-size (100%) Numeric keypad: Yes Hot keys: Yes Connectivity technology: Wired USB hub: No Purpose: PC/Server Fingerprint reader: No Silent keys: Yes Design Backlight: No Keyboard style: Straight Wrist rest: No Product colour: Black Surface coloration: Monochromatic LED indicators: Yes Features Plug and Play: Yes Power Power source type: USB Mouse Mouse included: Yes Form factor: Right-hand Movement detection technology: Optical Movement resolution: 1000 DPI Buttons quantity: 3 Scroll: Yes Scroll type: Wheel Scrolling directions: Vertical Number of scroll wheels: 1 Operational conditions Operating temperature (T-T): 0 - 50 deg C Operating relative humidity (H-H): 10 - 90% Weight & dimensions Keyboard weight: 570 g Mouse weight: 69 g Logistics data Harmonized System (HS) code: 84716060