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     Introduction: This is not actually a 
	review of the Cougar 700M gaming mouse, but rather an investigation into the 
	issue of mouse buttons "double-clicking" when only a single click is made. 
	Below are my observations and my investigation into why my 5 week old Cougar 
	700M gaming mouse started going crazy this winter. A substantial part of the 
	article is based on my review of the mouse posted at Amazon, where I 
	purchased the 700M.  
	
	
	The Cougar 700M has some good features, but I am writing this review because 
	of the problems that I encountered with the first mouse product that I have 
	purchased from this company. I am not a big fan of the "Transformer' 
	appearance of the mouse, and that is not why I bought it in the first place. 
	I wanted a mouse with high precision that had good placement on the buttons. 
	In general I like the button layout on the 770M, and the feel of the mouse 
	in your hand is good. I don't like the deep grooved surfaces on the left and 
	right sides, they do not need to be that textured, and they tend to pick up 
	dust and other debris over time. They are also hard to clean because the 
	grooves are relatively deep and very narrow. The braided cord also tends to 
	pick up dust and lint over time. The software is good, and gives you lots of 
	control over the mouse setup. You get 4 settings for different 
	dpi/sensitivities. 
	 
	Now for the problems. After about 5 weeks of 
	normal use (no dropping or other issues that might have affected 
	reliability) the left mouse button started performing "double clicks" when 
	only a single click had been made. At first I did not pay too much 
	attention, but it began to happen more frequently, often while working on a 
	spreadsheet or when selecting files from a folder. So rather than selecting 
	a file or folder, the file or folder would open. I would go to select a cell 
	in the spreadsheet, and instead it would go into text editing mode while I 
	was trying to do a "Ctrl-C" to copy the contents of the cell. As this 
	happened more and more, the mouse became less and less usable, and very 
	frustrating. 
	 
	I began testing the left mouse button 
	extensively to see how often the double click problem happened. I would go 
	across a row of folders on the desktop and single click on each one to see 
	if the folder was selected, or opened. Sometimes I could go for dozens and 
	dozens of clicks before a folder opened, sometimes it would happen in the 
	first 10 clicks. The company claims that the "Omron microswitches" are rated 
	for 5 million clicks, so it is curious that my 700M started having switch 
	problems after barely more than a month. When it became obvious that the 
	problem was not going away, I contacted the company (The HEC Group) to 
	request an RMA to have the mouse replaced under warranty. The first reply 
	was swift and decisive: 
	 
	"Hello 
	As Amazon is not one of our authorized 
	resellers, please process returns with Amazon. 
	Thank you 
	HEC GROUP USA 
	rma@hecgroupusa.com" 
	 
	I wrote back to explain that the 30 day 
	return period was over and that I needed to process the RMA through them. 
	Again, I got a swift reply: 
	 
	"When purchasing on Amazon, if that 
	particular ad for the item states " Sold by MALABS, fulfilled by Amazon" 
	then warranty service can be processed by HEC as MALABS is one of our 
	authorized reseller. 
	Unfortunately, that is how the rules work as 
	there are many individuals and small stores out there that sell through 
	Amazon, and we cannot authenticate the nature of the products unless they 
	are our registered resellers. 
	 
	HEC GROUP USA 
	rma@hecgroupusa.com" 
	 
	The mouse was sold from and fulfilled by 
	Amazon. I found it extremely strange that a small outfit like MALABS was 
	considered to be an authorized reseller, but that Amazon was not. 
	Nonetheless, I contacted Amazon and explained the situation to them, and 
	despite the fact that they did not have an obligation to fulfill Cougar's 
	warranty, they immediately cross-shipped a replacement and sent me a return 
	label to return the defective mouse. I have the new mouse installed, and so 
	far no double click problems. We will see what happens over the next few 
	weeks and months. If I have any problems I will update this review. 
	 
	*Update 1: My second 700M Cougar Mouse 
	 
	I received a new 700M and at first all was 
	well. However, within 2 days the new 700M mouse began to show the double 
	click problem much worse than the first one. Sometimes almost every click 
	was a double click (folder or file would open rather than just get 
	selected). 
	 
	So I began to think that it must be some 
	other problem with my computer (Intel i7 3.3GHz, 12GB RAM, Windows 7 
	Ultimate). I went into full diagnostics mode. 
	 
	1) I first moved the USB plug for the mouse 
	from a USB 3.0 socket to a USB 2.0 socket. Same problem. 
	2) I put an older (~ 1 year old G400s) 
	Logitech mouse on the original USB 3.0 socket. No problem with double clicks 
	at all using the Logitech mouse. 
	3) I disabled the Cougar mouse control 
	software (UIX) at Windows startup. Same double click problem. 
	4) I adjusted the double-click speed in the 
	Windows 7 mouse control panel. No luck. 
	5) Plugged the 700M into a different Windows 
	7 computer (I noticed a very long driver install time) and guess what? The 
	first click opened a folder rather than selecting it! The problem was just 
	as bad on a different computer, without the Cougar mouse control software 
	having ever been installed. 
	6) Just for the heck of it, I plugged the 
	700M into a 14 year old Windows XP computer that was still functioning well. 
	The first click on a folder opened it! 
	 
	The bottom line was that there appeared to 
	be something very wrong 
	with some Cougar 700M mice. Maybe a bad batch of switches, maybe a design 
	flaw in how the switches are mounted in the aluminum frame. Who knows? I have 
	had many mouse buttons fail to work, but I have never 
	experienced this accidental double-click problem with mice in the past, and I have owned many 
	different mice from different manufacturers. Right now the Logitech G400s is 
	working perfectly. It is not as nice as the 700M, but it doesn't make 
	accidental double-clicks. I have uninstalled the UIX software, am returning the 
	mouse for a refund, and I won't be buying mice from Cougar until the 
	problems are corrected. Cougar 
	mice are made by a Chinese company known as the HEC Group who specializes in 
	aluminum, pharmaceuticals and resorts. Clearly, they are not focusing on 
	their computer hardware quality. 
	 
	*Second update: After looking into the 
	issue more I see that Logitech mice have gotten many complaints about this 
	issue (although I have not seen this particular problem with any Logitech 
	mice I have owned, which number in the dozens). However, one person on the 
	Logitech forum mentioned that in low humidity environments an electrostatic 
	charge can build up on the plastic, and cause the microswitch to misread the 
	clicks. We just had a polar vortex come through with temps around 0, and the 
	humidity in the house is down to around 38%. Using your breath to humidify 
	the switches supposedly fixes the problem. I have the 700M boxed up and 
	ready to ship back, so I did not test this to see if it worked. Either way, 
	it is a design problem that could be easily fixed with metal switch covers 
	that are grounded. I am tempted to take it out of the box to test it. If I 
	do, I will update. 
	 
	*Final update -SOLVED; I couldn't resist. I 
	had to test out the low humidity hypothesis. I took the 700M out of the box 
	again, and plugged it in. The problem was severe. I breathed some humidity 
	onto the mouse, and immediately the problem was lessened, but not gone. I 
	slipped a small piece of aluminum foil under the left switch and touched it 
	to a metal object. I removed the aluminum foil and breathed on the mouse 
	again. Problem gone. Unfortunately, we are having a very cold period now and 
	our whole-house humidifier struggles to keep the house at 38 to 40% relative 
	humidity. So until this mouse is redesigned with grounded metal switch 
	covers, or with special non-static plastic switch covers, I just don't want 
	to keep breathing on my mouse to prevent the double click problem. 
	
	There is no way to be sure without more testing, 
	but my guess is that the 700M suffers from its overall design. The aluminum 
	frame is one of the best features of the 700M, making it feel better than a 
	plastic mouse body. But the plastic switch covers apparently build up static 
	charge under use and low humidity conditions, and this can discharge to the 
	aluminum body in a way that registers more than one click. 
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