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Title: Wireless feature only works very short range and causes the keyboard lag
Review: Well, this is the first time in many Amazon purchases that I've had to write a negative review. I'm also surprised I'm writing about a Logitech product - I've always been happy with them, including my last wireless USB laser mouse (which I plan on keeping now!)The keyboard lag and mouse lag are noticeable and I think the key may be in how close you are to the receiver. I was unable to get the unit to work at all over 8 feet away (distance from my big screen to the couch). I have to sit on the floor with the receiver pulled as far out of my entertainment center as it can go, so overall distance is now <5 feet and it seems to work most of the time. The closer the better.So if you are using this for getting rid of clutter on your computer desk its probably OK, but for my desired setup it isn't very convenient.
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