Brand - Logitech, Model - Logitech MK270R, Style & Size - Regular Big, Type - Keyboard & Mouse, Connection Type - Wireless, Interface - USB Dongle, Language (English) - Yes, Language - English, Lighting - No, Fingerprint Sensor - No, Mechanical (Key) - No, Mouse, Touchpad - Keyboard & Mouse, Number of Button - 3 (Mouse), Scrolling Control - Wheel, Wheel - Yes, 2X Click - No, Click Sound - Yes, Tracking Type - Optical, Battery Type - AAA (Keyboard), AA (Mouse) Alkaline Battery, Battery Qty - 2 (Keyobard), 1 (Mouse), Dimensions (WxHxD) - 149 x 441 x 18mm (Keyboard), 99 x 60 x 39mm (Mouse), 18.7 x 4.4 x 6.6mm (Nano Receiver), Weight - 0.498 Kg (Keyboard), 0.0752 (Mouse), 0.002 Kg (Nano Receiver), Compatibility - Windows Supported PC & Laptop, OS Support - Windows 10,11 or later/ Chrome OS, Color - Black, Specialty - MK270r Wireless Combo brings together the convenience and comfort of a full-sized keyboard with a sculpted, compact mouse. With media keys, a number pad and precise cursor control to make your work a whole lot smoother., Others - Wireless Range: 10 Meter, Key Type: Deep Profile, Sensor Technology: Smooth Optical Tracking, Number of buttons: 3 (Left/Right-click, Middle click), Scrolling: line-by-line, Scroll Wheel: Yes, 2D, optical. Connect/Power: On/Off power button. In the Box: 1 x Keyboard, 1 x Mouse, 1 x Nano-receiver, 2 x AAA (keyboard) and 1 x AA (mouse) batteries, 1 x User documentation, Feature - Spill-resistant design, Adjustable keyboard height, 10-Key Number pad, Caps lock indicator light, On/Off power switch, Part No - 920-006314, Warranty - 3 Year, Country of Origin - Switzerland, Made in/ Assemble - China