Pros: This is a very good cooling solution for those who use a laptop heavily or intensively, including gaming, or otherwise. I have a few laptop cooling pads, but this supplemental cooling device cools, additionally, through the existing cooling ports and pathways inside the laptop. It is more efficient than trying to cool the bottom of the laptop, indirectly, through the laptop cooling case, with a cooling pad. The fan in this cooler is said to be a double, ball-bearing fan, which means it should last a long time.

Cons: The portable cooler works well, but adds bulk to the side of a laptop, for which you need to make space. Also, one must make sure the cooler is level with the laptop cooling port (vent). In my case, I use it for more than one laptop, and it is also higher than the tabletop, because I use an additional, laptop cooling pad. Therefore, I don't use the capability to attach it to the laptop by means of a supplied sticking pad. Instead, I put objects to support the cooler to the level of the laptop cooling port that I'm using it on at the time. Another con: I was not able to turn off the fan with the adjustable-speed switch. It did not turn off with a usual, reasonable amount of force, and I did not want to try to force it further for fear of breakage. To turn it off, I unplug the USB connection.

Overall Review: I would recommend this for anyone who uses a laptop enough to put a heavy load on the processor. Extra cooling is always better. I use this, in addition to a regular, laptop cooling pad. I chose this model over another which can automatically adjust the fan speed, based on the temperature of the air flow coming out of the cooling vent, because it is simpler (less to go wrong, and I want to adjust it manually), and because the description said the fan was double-ball bearing. I am not a gamer, but sometimes use my personal laptop heavily for office, business, and other applications. I also sometimes service other people's laptops, and use this on those laptops as well.

Pros: I bought two: one for PCs I use at work, and one for PCs I manage at home. The bristles are not too stiff, and won't depress the keys when you brush the keyboard. It does a very good job.

Cons: I haven't tried or needed to use the key puller. I have a separate and different key pulling tool for that. I used the crevice cleaning tools, but found I needed to disconnect keyboards and scrub them better with a toothbrush and water to remove some dirt. After setting them upside down, and drying them with a towel, I reconnected them, used the brush again, and they look like new, now.

Overall Review: I am not a gamer, but use Logitech K120 keyboards extensively for PCs in my household and at work. The brush keeps them free and clean of dust bunnies, and looking new. This is important to me because these keyboards last a long time, and I don't want to throw any out prematurely because they might get too dirty.

Pros: I think, if as good as a regular N95 mask, it is an excellent product. But there is no actual way to know. There are no formal approvals needed for a label of KN95. They fit better and more snugly to the face than a surgical mask.They are more breathable than a surgical mask.They filter better than a surgical mask.They fog up my glasses less than a surgical mask.

Cons: Once in a while, the strap that is glued to a mask breaks, but can be repaired with a lengthwise, single staple along the length of the strap, to the mask (not crosswise, because that can/will allow the strap to slip out of the staple). Not sure if actual filtration rate is as good as an N95 mask, but I see medical personnel using these, so it is probably so.

Overall Review: This is a good product, I think, if it is as good as a regular, N95 mask. But regular N95 masks have not been available since the beginning of the COVID, and these KN95 equivalents are supposed to be just as good. But there are no regulations or formal approval processes. I use four of these at a time, rotating and using them in turn. After using one, I go to the next, setting aside the one I just used to dry out for another use. I number-label these with a ball-point pen to keep track. After a long time, I will discard all four, after they're worn and have been used many times, and use another batch of four masks.

Pros: The non-slip surface on the underside of the pad works well, and will not slide easily or without effort. I like that the wrist rest is integrated with the mouse pad. Previously, I had arrangement with a wrist pad separate from the mousepad, and it often slipped out of line with the mousepad.

Cons: No cons.

Overall Review: I bought three of these to use for our household's PCs. They work well, not slipping on the desks, and cushion our wrists comfortably. I personally also use a separate sock, resting over the wrist rest, to keep my wrist rest from getting dirty. See photos, first of the old arrangement; then, with the new, Rosewill wrist rest/mousepad.

Pros: This was FDA-approved.

Cons: None.

Overall Review: I paid a little more for this because this was the only model that stated it was FDA-approved. I try to buy good-quality tools and instruments, as a matter of principle.

Pros: This cleans very well, better than other methods, such as 91% alcohol or other solvents.

Cons: None.

Overall Review: I've been using Arctic Silver for some time for homebuilt and upgraded PC desktops, with good results. Not for gaming or heavy usage like video editing, but for productivity and business purposes. I purchased this to try, to see if it would be better than using solvents suggested. I'm happy to report that this works very well.