Logitech Wave Keys and Lift Keyboard and Mouse Combo (920-013635) – Wireless Range: up to 10 meters, Keyboard: Adjustable Height: Tilt legs (+ 4-degrees), Key type: Plunger, Battery: up to 36 months, Mouse: Number of Buttons: 6 (Left/Right-click, Back/Forward, Middle button, Scroll-wheel with middle click), Sensor resolution: 400-4000 dpi (Fully adjustable with 100DPI increments), Battery life: up to 24-months