MNN 2.5K Portable Monitor 13.3" 2560x1600P UHD USB-C HDMI Laptop Monitor, 100% sRGB IPS Computer Gaming Display HDR Travel Monitor w/Speakers & Smart Cover for Laptop Xbox PS5 Switch PC Phone

I own two of these monitors, I have been very happy with them. I carry them in my backpack/laptop case with all of my needed accessories, and it just simply works.I work from home and I was looking for something that I could take with me when I travel. My typical home setup involves a 43" LG monitor in the center, and then four additional 1080P monitors. When I am on the road, I need something smaller to have more "real estate" to work with. I usually use a hotel 4k TV or 4k tv at the air BNB we stay at so that I don't have to the 43" LG, but sometimes I just use these two portable screens. I have held meetings from a roadside park from the back of my Suburban with these while we were camping, from Panera while mixing audio, from a waiting room at an office while waiting on someone to complete their day, etc. All in all, the two that I have allow me to streamline my workflow when travelling. I have multiple windows up during the workday; I gather information from those screens and consolidate/copy/paste/ reference the data on my main laptop screen in the front and center. These monitors simply allow me to replicate what I have at home, but on a smaller and (somewhat) lighter scale.The good: I am not a gamer, so I cannot comment on how these would work in a gaming setup, I work on documents and reporting. With that said, these have great color at a great size. I can fit my Macbook Pro, and up to four of these screens in my bag, plus all my accessories, including Jabra Engage 75 headset, Plantronics headset (backup) , Apple keyboard and mouse, StreamDeck, USB-C Hub, and when needed, a universal Docking station that uses DisplayLink technology (Dell UD22) to get the extra screens. Without that, the Mac won't support more than 3 or 4 displays (Check specs for your PC/Mac). I like that these are USB-C *AND* HDMI. I can use them on pretty much any modern PC. To use the HDMI, however, You do need to power the monitor over USB-C with the provided cable. That's not a product issue, it's simply because that's the way HDMI works, there is no power over the cable. VESA capable, which is a big plus, I have magnetic VESA arms and I leave the plates on these monitors so I can use them anywhere.The bad: The rotator dial on the side has a tendency to get smashed in, but I don't use audio on either of the screens. I have a Bluetooth noise cancelling over the hear headphone set for that. A more solid design would have been with tactile push buttons instead of the rotator dial. I only have this problem with one of the screens. When I put them the backpack, I now put them in with the rotator dial pointed up to ensure a drop of the bag doesn't chance damaging the equipment.The ugly: The weight of the screens and associated covers adds about 2.5 lbs each, which is a lot. I have ordered two more, so that will be 10 lbs in the laptop backpack. May need to switch to a roller bag to cart this entourage around.Once I get the other two, I will revise this review. Right now I don't know if I will have to use the UD22 to utilize all of these screens simultaneously.

It is key to know what you want this for. I'm not a gamer so this review is only from perspective of someone who works on documents all day, logged into an office remotely. So I needed a portable 2nd monitor for when I travel with macbook M1 Air. Must have read 100 reviews and looked at dozens of youtube videos and ultimately concluded for my use case, I did not need 4K, too expensive and unnecessary; and I do not need high refresh rate, but i did want high nits (brightness). Have tested it out only for a short while and so far, subject to any update I will make to this review, here's the good and the one not so terrible "knock":THE GOOD:For my use case, the 60 hertz refresh rate is totally fine. No doubt not ideal for a gamer; if gaming is your need I would look for one that has higher refresh rate of course.The 1080P is wonderfully sharp - seems like it's better resolution than 1080P but probably just because the screen size is 15.6" so pixel density is still good.It came with several seemingly very good quality cables and a simple charger plug. Charger plug is USB A so it's not giving tremendous current but evidently it's fine. It also came with USB A to USB C cable for this charger plug to power the thing. It also came with a very nice USB C to USB C cable that plugs into one of the two (2) USB C ports (one under the other) on the left side and the other end plugs into USB C on Mac and it instantly just recognized the video stream and showed it, mirroring my Mac. Mac then lets you select to use it as an extended display. Both USB C ports on left side are labeled as USB C with a lightning bolt. I suspect this means both support the video stream and power into the device; I randomly picked one for the video connection and one for the power connection and it worked find; I suspect this means it doesn't matter which. I read on-line in specs that these USB C ports were on different sides, and only one supported video; this one is configured a little differently and perhaps just slightly updated since they wrote out their specs. NOTE - the USB A charging plug got very warm and the metal of the USB A plug was HOT when I unplugged it - I'm thinking I'm going to plug it in for power to a USB C charger to USB C port on device and see if that gives it the power it needs without heating up; will see... maybe but don't want to give it too much current and cause a problem; will think on that. UPDATE: have now used little anker usb c 20 watt charger plug with usb c to usb c for power and that worked fine and the metal usb plug at the charger did not get hot.I tested the two speakers on this monitor, having the Mac choose those speakers (all going through the one USB C cable) and the speakers are fine, just not as good as the speakers on the Mac (not really giving base but otherwise clear and sharp with OK volume). But who cares for this use case.It ALSO came with another seemingly very solid, not cheap, cable that has HDMI MINI on one side, and standard HDMI on the other. I have a USB C to HDMI (standard sized) adapter so I will try that out as well but haven't yet. Left side of the device has the HDMI mini female port for this connection. UPDATE: have now tested the HDMI cable - works fine, zero issues.Over my enterprise level (CITRIX) connection there were zero issues with recognition of the second screen so, voila, remote working with 2 monitors (Mac screen and this second screen).The thing has a bit of heft/weight to it but not terrible; maybe a pound and a half in weight. Feels fairly solidly built, not cheap.Right side has a power on switch and a little "rocker" wheel like the old school volume controls on side of transistor radios; when the monitor came on, I turned the rocker wheel up and it increased brightness to highest level. To me that's a nice direct mechanical capability to up the brightness without having to dig into settings. Naturally I put it to highest level of brightness. But, see below on this topic.UPDATE: have now also plugged it into iPad (Air 5th gen w/ usb c) and it also works perfectly both to mirror iPad or do center stage allowing a couple windows open on the extended display. Rather awesome.Finally it comes with a detachable thin case that wraps around it, covering screen when closed; and folded back using magnetic attachment to back of display, it stands at a couple different angles, similar to typical tablet covers that fold around, like on the iPad. Worked just fine.THE ONE SMALLER "KNOCK" AND A NIT:Brightness: OK so one of my hoped for criteria was high NITS; I'm not so young and wanted a bright screen. Mac M1 Air gives 400 nits; my older Mac used to give 500 nits I believe and to older eyes, BRIGHT display is really helpful. In all my reading of reviews nearly ALL of the lower cost 1080P monitors from companies with unfamiliar brand names said they did 250 nits of brightness but this one said 400. I figured, probably not true but on a black Friday sale at $79 I figured, how could I possibly really go wrong? Well, it came, and it seems pretty close to the Mac display on brightness - huge relief. Then looking at the paperwork that comes with it, it is acknowledged as only 250 cd/m2; and yet, to my surprise, it seems plenty bright and acceptable for my needs. I would NOT think it's worth it to spend another $150 for a display that purports to give 4K as those are the ones that seem to promise more nits.OVERALL I say for the price point, for the sharpness, for the ease of set up, for the cables it comes with, for the ease of use, for the seemingly solid feel to it all, and for a buyer looking for a VERY affordable option for a second "travel" display to bring with a laptop - I find it difficult to believe ANYONE could knock this thing or say it is not well worth it and quite good. A real "gem" of a find on Amazon in my view. I will update this review over time if and as I learn more or have more to note or if anything I say above changes.