Logitech MK-235 Wireless keyboard and mouse combo

Dimensions Keyboard Height: 5.41 in (137.5 mm) Width: 17.15 in (435.5 mm) Depth: 0.80 in (20.5 mm) Weight: 16.75 oz (475 g) Mouse Height: 3.85 in (97.7 mm) Width: 2.42 in (61.5 mm) Depth: 1.39 in (35.2 mm) Weight: 2.49 oz (70.5 g) Nano receiver Height: 0.74 in (18.7 mm) Width: 0.91 in (23.1 mm) Depth: 0.26 in (6.6 mm) Weight: 0.07 oz (2 g) Technical Specifications Keyboard Spill-resistant design 1Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid. Tilt legs 10-Key Number pad Special Keys: 15 function keys Up to 5 million keystrokes 2 AAA batteries Battery life: 36 months 2Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions. Mouse 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 1 AA batteries Battery life: 12 months 3Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions. Customization app Supported by Logi Options+ on Windows and macOS