Logitech MK240 Nano Wireless Keyboard and Mouse Combo - White

Keyboard Features Spill-resistant designTested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid. Adjustable keyboard height Key type: deep profile 2 AAA batteries（Alkaline Battery） Battery: 36 monthsKeyboard 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 Features 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 2 AAA batteries（Alkaline Battery） Battery: 12 months