The set up is pretty simple. First, you press a button on the USB connected base station, and then on the mouse. These devices will hook up to the same radio frequency. Then, after putting some AA batteries in the keyboard, the same thing is done with that device. You are then ready to go, although you may wish to download the software to customize these devices.

There are basically four parts to this whole package: the keyboard, the mouse, the cradle, and the software that controls them. In this review, I will look at all four parts, starting with the keyboard.

The keyboard shipped with this product is very nice. Not only does it have the standard full keyboard layout (with qwerty design, F-keys, and keypad), but it also has an entire row of customizable buttons. You can set them up however you like, but the most common way is to open applications or launch web pages that correspond with the button name. This one touch method is very handy, and is missed when you have to use another keyboard.

The keyboard also has some very unique functions. First, there is a scroll wheel on the left side. This wheel works just like the one on the mouse, and can be useful when reading long documents. Another unique feature is the media keys. There is a set of keys for media applications (default is iTunes), which allow you to play, stop, rewind, fast forward, and pause the media. But the neatest extra feature of the keyboard is the volume wheel. In the top center of the keyboard is a wheel that when turned, adjusts the system volume. The little sound picture that comes up when using keyboard volume keys even displays, to show you the current level. All of these features are very handy for reducing mouse use.

Speaking of the mouse, let's begin looking at it. First off, this mouse has seven buttons and a scroll wheel. Just like the keyboard, most of the buttons are user customizable. Two of the buttons on this mouse are complimentary to the scroll wheel. Click on them is like scrolling the wheel one notch. Personally, I don't see the value in this, but they could work well as weapon switchers in games.

One thing the mouse has that the keyboard doesn't (besides the ability to track your cursor) is rechargeable batteries. To recharge the batteries in the mouse, you simply set it in the supplied cradle. A small light will blink until the battery is completely charged. Seeing as battery life is one of the biggest complaints of wireless mice, this is a great feature to have.

Speaking of the cradle, it serves as more than the mouse battery recharger and radio signal receiver. It also has little lights for Caps lock, Num lock, and F-lock (for alternate F-keys functionality). However, this brings forth the biggest complaint I have with this product. There are no status lights on the keyboard itself. You have to look at the cradle to see if one of those is currently invoked, which may not always be easy. This is basically what brought the Duo MX combination down from a perfect score.

Finally, we'll look at the software. While the software is not required for use with Mac OS X, it is recommended. Without it, you will get basic functionality from both the mouse and keyboard, but you will not be able to customize the keys and buttons. Unfortunately, this software lacks the ability to create custom settings for different applications, all settings are global. It would be great if the software automatically changed the settings based on the currently active application. Microsoft did this, so why can't Logitech?

At first, I could not get the computer to wake from sleep or go to sleep using either the mouse or keyboard. I found out this was an incompatibility with the version of the Logitech Control Center that was installed. Updating to the latest version solved this.

The Logitech Duo MX is one of the best wireless mouse and keyboard combinations on the market. Both have a ton of user configurable buttons, and work great with OS X. If you want to cut the tethers to your computer, this product is a great way to do it.

Pros	Cons
Wireless via radio signals means no line of sight needed Highly configurable Mouse has rechargeable batteries Good betty life for keyboard Mac symbols on keys (for command, option, and control) Audio volume wheel works without drivers Black and silver look is very slick Media keys allow you to control iTunes via keyboard, without first switching to iTunes	Keyboard doesn't have a cradle Lights for Caps/Num/F-locks are on base station instead of keyboard Cannot make application specific settings
9/10 stars