On the positive side, the speed with a USB 3.0 connection is the same as SATA (HDD). Some points that need to be mentioned but I can't fully classify as negative are that in reality, while it supports hot swap, when one drive is removed, it momentarily "loses" the second one (which reappears immediately in Windows), so if there is an active file transfer on the second drive, it gets interrupted. Also, as mentioned in another comment, when 2 drives are connected and both are actively working, the drives operate at a lower speed than if they were working alone on the kangaroo (only one active). Of course, for the above function, a NAS is more suitable, which also has a significantly higher price. Overall, for its price, it is a good choice.

I have had it for a long time and I have copied several hard drives so far without any problem and quite quickly. I find it good and very reliable as a product and purchase.

In less than a year from its purchase, one of the disks with data inside broke, and generally, it only works when it wants to. Additionally, a major drawback is that it does not support hot swap. I also provide two photos. In the first photo, there is a single disk, and in the second photo, there are two disks connected at the same time. It's ridiculous because it doesn't even share the speed, even if it's just half.

For its price, it is very good. Due to work, I use it often and it has helped me a lot.
Generally, I had no issues using it, either with one or two disks simultaneously.
Overall, I am satisfied.

During the cloning process from a 500gb ssd to a 1tb ssd, it successfully copied the data in a good amount of time. However, it created a partition the same size as the source, which was 500gb, and left the other partition as UNALLOCATED. I made the second partition active through disk management. So, it copied all the data from the old drive, but I ended up with a divided disk in 2 parts. This was not mentioned anywhere in the manual, hence the 1-star rating. If you only need it for docking, it's fine

Positive
Read 2 hard drives of 2.5 (wd, toshiba) immediately and simultaneously.
Negative
1. It doesn't read the 3.5 seagate, I don't know if the hard drive has any problems after all these years that I have it on the shelf.
I haven't tried the clone yet, if it withstands the 23 euros that I bought it for, I think it's a good purchase

Use only a few days but it is very honest for its money! I got it on sale for €23. The clone between two SSD disks was done in 10 minutes with the press of a button! (It is important not to be connected via USB to the computer when cloning, only the power!) Overall, it is very convenient for technicians mainly but also for amateurs!

I have been using it for a long time, I am completely satisfied! Very good transmission and data transfer speeds, constantly above 80 mb! Depending on the disk! It always reads both disks simultaneously! More details in the following video!!

https://www.youtube.com/watch?v=6Kjyj10C9bU&t=25s

Stopped working suddenly and doesn't read anything.
Probably a wrong purchase.
Fortunately, it was quickly replaced by the company.
The second one (what they sent me as a replacement) works decently for cloning (after a year and a half), so I am adjusting the rating accordingly.

Although the manual states that it can operate with two disks simultaneously when connected to the PC, it does not actually do so, or at least it cannot use both at the same time.
If you try, it completely stops working; otherwise, it works correctly, although the construction seems a bit cheap, to be honest. I want to see if it will last as long as another typical one I had from eBay, which could indeed have and work with three disks simultaneously, not just one, and it only cost 14 euros, not 36 like this one.
I haven't tried the cloning function it has because at the moment I don't have any spare disks, and I wouldn't empty any just to test it, knowing the above.
Lost money, in my opinion, because I don't see it lasting long.