Features: FLUID, COMFORTABLE TYPING & MOUSING Low-profile scissor keys provide a fluid and familiar laptop-like typing experience. The smooth pebble shape of the ambidextrous mouse feels great in either hand. WHISPER-QUIET WORK A quiet keyboard and lab-tested, 90% noise-reduced mouse2Click noise reduced by over 90% compared to Logitech M170 mouse. Left click dBA level measured by independent lab at 1m. mean an ultra quiet work experience for you and those around you. EASY, RELIABLE WIRELESS A simple plug-and-play USB receiver offers a strong 2.4 GHz wireless connection with 10 meters of range Wireless range may vary based on environmental and computing conditions. This means you will have a clean, cable-free desk and the freedom to arrange your devices the way you want-where you want. GO LONGER BETWEEN BATTERIES 18-month battery life4Battery life may vary based on user and computing conditions. Battery included. for the mouse, and 36-month battery life for the keyboard means you don’t have to worry about losing power. Both accessories go into battery-saving sleep mode when not in use. Specification: Mouse Dimensions Height: 26.5 mm Width: 59 mm Depth: 107 mm Weight (with batteries): 100 g Keyboard Dimensions Height: 373.5 mm Width: 143.9 mm Depth: 21.3 mm Weight (with batteries): 558 g Nano receiver Height: 14.4 mm Width: 18.7 mm Depth: 6.1 mm Weight (with batteries): 1.8 g System Requirements Windows 10 or later, Windows 8, Windows 7 Works with Surface Required: Available USB port Mouse Sensor technology: High Precision Optical Tracking Sensor resolution: 1000 dpi Number of buttons: 3 Scroll wheel: Yes- Mechanical Scroll Buttons: Middle Button Unifying ready mouse: No Unifying ready receiver: No Battery life Mouse: 18 months Battery type mouse: 1xAA Keyboard Battery life Keyboard: 36 months Battery type keyboard: 2xAAA Wireless operating distance: 10 m Wireless technology: Logitech Nano Receiver