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Logitech® Wireless Wave Combo MK550, Dark Silver
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Logitech® Wireless Wave Combo MK550, Dark Silver

Item # 478284
Ergonomically designed for ease of use
  • Keyboard conforms naturally to your fingers.
  • Soft rubber side grips on mouse for comfortable use.
Original Price $79.99
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Prices effective through 08/23/2014.

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Ergonomically designed for ease of use
  • Keyboard conforms naturally to your fingers.  The Wave design with Constant Curve layout guides hands into just the right position. A cushioned palm rest is included.
  • Soft rubber side grips on mouse for comfortable use. 
  • Mouse's laser sensor provides smooth, precise tracking on nearly any surface.  Sensor does not work on glass or mirrored surfaces.
  • Convenient cordless operation means no cable hassles. 
  • Power management provides up to 3 years of battery life for the keyboard.  Provides up to 2 years for the mouse.

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Item # 478284 
Manufacturer # 920-002555  
manufacturer Logitech
brand name Logitech
model name MK550
color Dark Silver
wireless technology RF
transmission range 6 feet
keyboard style curved
palm rest yes
number of keys 104
one-touch Internet keys yes
mouse type Laser; wireless
number of buttons 5
receiver connector type USB
plug and play yes
operating system compatibility Windows XP; Windows Vista; Windows 7
battery size AA
number of batteries required 4
batteries included yes
warranty length 3-yr limited
postconsumer recycled content 0
total recycled content 0

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Logitech� Wireless Wave Combo MK550, Dark Silver 4.4 5 59 59
lot of different keys. Personally, I don't need all of the features on the key board. I would much rather use a flat board for typing. May be great for some people, but I might go back to the key board that came with the computer. The mouse works great. July 16, 2014
This is my 4th or 5th Wave combo.... This is my 4th or 5th Logitech Wave Combo I have purchased through different retailers. I love love love this Keyboard and mouse combo. Although I need to get this one replaced because it doesn't set flush on my desk. It wobbles and I can't stand that. So it will be replaced with another one. I would recommend this to anyone who uses a wireless keyboard and mouse. I have used this combo for about 10 years now. I just hope they upgrade to the newer software as the software evolves. June 26, 2014
Love the product; but batteries were dead Just received my new Logitech Wireless Wave Combo (keyboard and mouse). Installation was a breeze as soon as I replaced the dead batteries with new ones. One of the the features Logitech promotes is the battery life "Batteries, what batteries? A battery life of up to three years for the keyboard and two years for the mouse practically eliminate the need to replace batteries." My keyboard and mouse both arrived with the switches in the "on" position and all batteries were dead. I do love the keyboard though. It is very comfortable to use. Even with the dead batteries I would still recommend this product. I'd just advise you to have good batteries on hand. It was a little disappointing. June 24, 2014
wireless fast response time - very comfortable keyboard June 21, 2014
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From the Manufacturer|Powered by Answers™

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  • Logitech Wireless Wave Combo MK550

    Comfort curves without the learning curve
    With contoured curves in all the right places, this ergonomic keyboard and mouse give you the support you need to minimize hand and wrist strain—even after spending all day on your computer. More comfort also means you can type as you normally do using the standard keyboard layout you already know.
  • Ergonomic Wave keyboard
    • Constant Curve design guides hands and fingers into just the right natural typing position
    • Type normally with the familiar keyboard layout you're used to
  • Cushioned palm rest
    • Helps position your hands comfortably and properly on the keyboard
    • Gives your palms a place to rest when you're not typing
  • Contoured laser mouse
    • Comfortable hand-cradling shape with rubber side grips
    • Smooth, accurate cursor control on just about any surface1
  • No battery changes for years
    • Long-lasting battery life—up to three years for the keyboard and two years for the mouse2
    • Uses standard AA batteries, already pre-installed
  • Plug it. Forget it. Add to it.

    • One tiny Unifying receiver connects the mouse, keyboard and more compatible devices—without the hassle of multiple USB receivers
    • So small it can stay in your notebook, so your keyboard and mouse are always ready to use
  • Robust, reliable wireless
    • Logitech advanced 2.4 GHz wireless for a strong connection with virtually no delays or dropouts
    • Built-in 128-bit AES keyboard encryption—one of the highest levels of security available



  • Works with:
    • Windows-based PC: Windows XP, Windows Vista, Windows 7, Windows 8
    • USB port
    • Internet connection

What's in the Box

  • What's in the box?
    • Keyboard
    • Mouse
    • Logitech Unifying receiver
    • 4 AA alkaline batteries (pre-installed)
    • Receiver extender cable
    • User documentation
    • 3-years limited hardware warranty 
  1. 1 Keyboard 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.
  2. 2 The laser sensor does not work on glass or mirrors.
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