The Logitech G510 Orion Spectrum is a great keyboard and mouse combo that is both ergonomic and comfortable to use. The keyboard is made from durable plastic and is designed to be comfortable to hold for long periods of time. The mouse is also designed to be comfortable to use, with a soft, comfortable grip. The mouse has a fast, responsive wheel and a comfortable design that makes it easy to move around the screen. The mouse also has a number pad on the left side of the mouse, which is perfect for gaming or other activities that require a lot of precision. The mouse also has a backlight that makes it easy to see in the dark, and it also has a built-in rechargeable battery.