Logitech MK346P/345 Comfort Wireless Keyboard and Mouse Kit with Palmrest Comfort Wireless Keyboard and Mouse Kit with Palm Rest Specifications and details (1) Specifications Keyboard Water-resistant design Height-adjustable tilting feet Special keys: Music control palm rest 10-key numeric keypad Key Type: Deep Contour Power on/off button 2 AAA batteries (alkaline) Battery: 36 months Mouse Sensor technology: High precision optical tracking Number of buttons: 3 (left/right, center) Scrolling: Line-by-line Scroll Wheel: Yes, 2D, Mechanical Connection/Power: Power on/off button 1 AA battery (alkaline) Battery: 18 months (2) Customizable Applications Logi Options+ operating system running Windows and macOS Wireless Range (meters) 10 meters (3)Compatibility System Requirements Windows ® 10, 11 or later ChromeOS Available USB port