Logitech K400 Plus Wireless Touch TV Keyboard with Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-Connected TV, Windows, Android, ChromeOS, Laptop, Tablet - Black

I have two 6 Series (MU6290) 40" Samsung 4K Smart TVs that I purchased at Costco, one in my office and the other in my master bedroom. For about $19 I purchased a wireless keyboard and mouse combo on Amazon to use with the TV in my office. They use a single unifying USB reciever and work great, just plug and play. The only thing I found I didn't like was having two devices to keep track of and having to switch between them to point and input data. I saw this keyboard as an Amazon Deal of the Day two days ago and just received it, in fact I'm writing this review with it while sitting on the bed and using my bedroom TV. It turns out to have been a very good purchase because it works great! I merely plugged the unifying USB receiver into the first USB input on the back of the TV, turned the keyboard on and started using it, true plug and play. And boy do I love using the touchpad to cursor around instead of having to switch between the keyboard and mouse like I do in my office. In fact, even though the keyboard and mouse work fine on the TV in the office, I may end up buying another K400+ to use in the office, it's "that nice" not having to use two devices. I know the K400+ is advertised as a device for using with a computer connected to a TV but I read other reviews where it was being used directly with a smart TV without a computer and, even though it works great with my Samsung, I can't speak to whether it works with all smart TVs, though I expect it should work with any of the later Samsung Smart TVs which use Samsung's Tizen OS. I don't know if it works with the other two major Smart TV operating systems, WebOS & Android. It's light, seems well made, has a QWERTY keboard with nice key response and feel and is spaced fine for touch typing. It's great for basic input and I'm finding out more about how it functions with my TV. For instance, I found out holding down the CTRL key while cursoring moves the cursor one word at a time, holding down the SHIFT key while cursoring highlights one letter at a time, holding down the SHIFT + CTRL keys while cursoring highlights one word at a time, etc. These are familiar, however I've discovered by playing around that other keys and key combinations do things but the result may not necessarily be what I expected, but I'm the type who likes to play and learn and will thus get even more use from this keyboard as I learn. For example, just discovered esc key is equivalent to the "back" function when used in your browser. I can mention the media keys, previous chapter, next chapter, pause/play, volume up & down don't work with my TV. I'm sure they do if the keyboard is connected to a computer that's connected to a TV, as advertised. However this keyboard is perfect for anyone who only simply wants to point and input, especially if you only want to use one device! Overall I'm "extremely pleased" with the K400+ and am so glad I decided to give it a try. Of course the only thing I can't comment on is it's longevity but I hope it lasts a good long time because I love this thing!

I really like this keyboard. I have a Walmart branded Chromecast device on my TV. With that brand, you can buy a USB adapter that allows you to connect ethernet and a USB A device. I plugged in this keyboard (wireless) and it worked straight away. I didn't configure anything. Watching Prime TV? Wanting to search for your favorite show? Use a keyboard instead of your remote. Much faster, more comfortable and with the track pad, you get the bonus of a mouse pointer. It's big enough to type with reasonable comfort but small enough to stow away while watching your show(s). I've had this unit for more than a few months and I'm on the same set of batteries. I expect that it has a long battery life. While made of plastic, it does not feel flimsy to me in any way. It's a great little keyboard for this application in a media room.

If you need a compact, sturdy, inexpensive keyboard for occasional typing on a media TV or something of the sort, then this is the thing. It has a serviceable touchpad to the right so a mouse isn't needed. It does what I need it to do. The complaints I have are that it has no num lock or caps lock indicators and no backlighting. The touchpad is also pretty imprecise and would be annoying if it is used too frequently. The keyboard is compact which is good, and compact which is bad if you want to type a lot. Just buy it for its intended purpose and you'll be fine.

I already owned a small bluetooth keyboard I had bought for use with my Kindle tablets. I have a few 10in tablets that I sometimes use to connect remotely to my main desktop PC. The setup works incredibly well when you pair the tablets with a wireless keyboard and mouse. I bought this additional bluetooth keyboard because there are times I'd like a keyboard, but don't want to have to deal with a separate mouse. Plus there are other times where I need to access a headless PC, or my Raspberry PI, or where I'd love a wireless keyboard for playing Steam games, etc. So I was looking at this keyboard as being great for multi-use. The one thing I hadn't realized was that the small USB dongle (which is in the front flap of the box) is REQUIRED. Since the product description said this keyboard worked with Android, I just assumed it was like my other bluetooth keyboard and didn't need anything additional to plug in. As it turns out, yes, you DO need to use the usb dongle with a tablet or your phone -- and that kinda sucks because obviously those devices don't have a USB-A port. Luckily I had a USB-A to USB-C converter from something else I bought and I tried it out in the Kindle Fire HD10. The keyboard and touchpad worked immediately! Yay! I've ordered a right-angle USB-A to USB-C adapter, so that it's less likely to break if I bump it into something versus the straight USB-A to USB-C adapter that I have now. Then I'll be in-business, regardless if I want to use this keyboard with my tablet, a home theater PC, phone or whatever. The quality seems decent. I haven't had a chance to fully test it out just yet, but if I have any issues I'll update the review. The only other slight gripe is that there's a power switch, so it looks like it has to be powered on or off with the switch versus automatically powering off like my other compact bluetooth keyboard. I tend to forget to shut things off that I normally wouldn't have to (like a wireless mouse). I'd hope that the battery wouldn't drain when the keyboard is not in-use, or it would at least be minimal drain -- but time will tell! It's nice that it uses AA batteries so they're easily replaced. All in all, this keyboard looks like it'll work out well for being a multi-purpose keyboard. It lacks the convenience of a dongle-less keyboard, but having the touch pad built into it makes it VERY convenient when you don't want to have to operate a separate mouse. There have been many times I've worked with a headless PC in the last few years and it's annoying to try to navigate with just the keyboard, or have to setup a mouse on the floor. So this keyboard will solve that problem. And, I'm actually looking forward to trying it out with Steam games to see how it holds up with some games being played while on the couch.

Edit: I have discovered the print screen key is actually tied to the backspace key and not F6. You must use FN+Backspace for normal use or FN+Win+Backspace to save a screenshot. I'm raising my rating one star after finding this important feature is present. You can also hold FN to scroll with one finger - namely, your thumb - on the trackpad. After a year of use I am finding the keyboard to be quite reliable. The plastic hasn't degraded much so it seems to have Logitech's signature high durability surface material as opposed to their competitors whose plastic surfaces tend to degrade and become sticky. I have found it easier to use without a backlight after getting used to the size and layout. Easy alignment is possible like all keyboards with the bumps on the F and J keys. After truly getting to know the keyboard I will raise my rating to five stars. ----Original Review--- The keyboard works fine when it comes to core functionality and it can connect to the same shared Logitech receiver if you already have one plugged in. It has a left click button on the top left corner so you can hold the entire thing in both hands like a controller, using your thumb for the trackpad without needing to move hands to left click. I would prefer both left and right click buttons in the corner instead of just the left click. There are a couple problems, first being that there is a dead zone on the outer edges of the track pad when dragging from outside to in and it's really annoying. The other problem is the screenshot button sharing the F6 key simply doesn't work. Neither the key on it's own nor the Win+Screenshot key combo work. Literally the only way to take screenshots with this keyboard is to use Snipping Tool or another program. One of the reasons I tend to not like using this all the time as my Rii keyboard does have a working screenshot button. I would also like a version of this keyboard with a backlight that's affordable. The versions with backlights are really expensive. And maybe one that has all of that but in a lightweight metal or glass so that it feels nicer and wears better over time.

Purchased this item twice. I've been using the first one for over 7 years and the only problem is some of the keys started to fall out after I picked at and fiddled with those keys out of boredom (my own fault), but otherwise works really well and is useful for using my gaming PC with my 4K TV in my living room and as a HTPC. So I purchased the second keyboard recently to replace my old one with missing keys, since getting a new keyboard, especially on sale for $25, was cheaper than getting replacement keys for the same keyboard on eBay. And when the new one arrived, it didn't function. I used the new USB dongle that came with the new keyboard, switched it on, removed the stopper thing in the battery compartment and used the stock batteries and the rechargable batteries I use in my old keyboard, and it just didn't respond or work. So I took the keys from the new keyboard, the rubber parts on the bottom, and basically "refurbished" my old keyboard with parts from the new keyboard. Shameful that Logitech seems to have worse QC and is selling defective products to consumers. And the new keyboard seems to be made with slightly cheaper plastic and has sharper edges than my older version of the exact same model, the K400+.

So I’ve had my Xbox Series X since it launched November 2020, and have been considering purchasing a wireless keyboard to solely use with it. Here recently more and more developers are including native keyboard and mouse support in their games, so the benefit of having a keyboard to use is growing. Since I did not plan to actually “play” the games with the keyboard, but instead use it for “QOL” enhancements, I didn’t want to spend a substantial amount of money on a wireless keyboard. After doing some research on gaming forums, and multiple Reddit /Subreddits, I continually kept seeing a specific Brand/Model of keyboard a lot of posters were suggesting. The keyboard being suggested was the “Logitech K400 Plus”, so I decided to pull the trigger and give it a shot…. I’m glad I did. The Keyboard arrived my house and I instantly noticed how insanely light weight it was. It’s weight was what shocked me initially, but the bigger shock was how well built and durable it felt, especially considering it’s budget friendly price point. So I removed the included USB-A dongle, and inserted it into my 4-port USB 3.0 hub plugged into my Xbox Series X. I flipped the keyboard switch to “ON” and it instantly connected to my Series X and was flawlessly responsive, and had no sign of lag whatsoever. What I didn’t pay much attention to when I researched and decided to purchase the “K400 Plus” was the functionality it possesses pertaining to “Multimedia”. Logitech designed this keyboard to be the perfect “couch” companion for use with smart tv’s, especially tv’s with native web browser applications. So this keyboard became that much better of an addition to my Series X. All of the playback multimedia buttons work perfectly with my Series X, and since Microsoft manufactures the Xbox systems and this keyboard is geared towards “Windows” based computing, the two handshake together in perfect harmony. Another neat features of this keyboard is the “Left Click (Mouse)” button that is situated in the very top right corner of the keyboard. When I first looked at the Left Click button location I was somewhat confused as to why it would be beneficial in that location. It didn’t take long for me to realize it’s genius though, and I can confirm that it is brilliantly placed in the perfect location. I launched the “Microsoft Edge” browser on my Series X, and instantly realized how perfect it was while scrolling the webpages with my right hand on the touchpad, and being able to use the button to click everything I needed to seamlessly. All in all I love this wireless keyboard, and IMO it’s the hands down best budget wireless keyboard on the market. I’ve attached some photos (they didn’t turn out that great due to room darkness) that will hopefully give you an idea of its size. - PROS: • It’s size is perfect for sitting in your lap, and honestly it’s so light you will forget it is even there. • Logitech designed this keyboard for media consumption, so it excels in it’s functionality with media. • Even though it’s price is very budget friendly, you will be surprised by just how well built it feels. • Button clicks feel very tactile and solid, and IMO have the perfect “Spacing” for ease of use. • It’s manufactured by Logitech, and Logitech has world class customer service if something doesn’t function correctly after your keyboard purchase. • All in all a rock solid wireless keyboard that is rich in features without breaking the bank. - CONS: • In all reality I honestly can’t list anything that I feel is a con, but I will list some things that potentially could of placed multiple cherries on top. • This keyboard used AA batteries (2) for it power source, and I imagine some people would of preferred a rechargeable Li-Po battery, but quite frankly I could care less. I personally like being able to simply change batteries when it dies and instantly go back to using it, versus being unable to use it while it has to charge, but to each his own. • If this keyboard had backlit keys it would be pretty awesome, but I wouldn’t expect it to considering it’s price point. Nonetheless it would enhance it’s appeal that much more. • It would be nice to have bluetooth functionality but at this price point it would be shocking if Logitech had designed it with bluetooth support. In my individual case, the Xbox Series X can only use keyboards via USB-A connection (Wired or Wireless w/ Dongle), so bluetooth wouldn’t benefit my application at all but having the ability to use it with other devices would never hurt.

I just got the new Logitech K400 to give me more control using the laptop as a tv streaming device, the K400 connectivity is flawless with the USB wireless connection, touch sensitivity is very good and now I can toss out all the cheapo non branded keyboards that failed me to often, Logitech has never made anything bad I have had in over 30 years, Price was to good to pass up, love the built in mouse pad, does use aa battery's but last for ever it seems on other stuff i have had.

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Just had it delivered a few hours ago. Tried it with my mobile (had to get a small OTG adaptor to get started). I also own the K480, and got this one because it has a touchpad. Comparing the two, both have unique features that I would not call positive or negative, because how one views a feature, or the lack thereof, depends on one's requirements. The plus-point of the K480 is that it connects through bluetooth, leaving the port free to charge the mobile (if you want to use it with your mobile/tab) or connect a pendrive to it. The keys are larger and better spaced out (important if typing comfort is a major priority). The K400 plus, on the other hand, requires the OTG adaptor, plus, the unifying receiver used to connect the keyboard to devices like the mobile, tab, or the LCD TV. The plus point of this feature is that connection is immediate. The minus point is that one must be careful not to lose the 'unifying receiver'. Also, if you forget the OTG connector, there is no way you can connect the keyboard to anything. The 'K400 Plus' is also lighter and slightly tinier: But comfortable enough for normal to large sized fingers to type without any obstacles. Unlike the K480, this piece has the touch pad. One main advantage of going for these keyboards ( be it the K480 and K400) is the amount of money saved...in my case, I saved 28K approx., the amount I would have to invest for getting a new laptop. And just didn't have the money to invest in one. Now, with this, I can complete most college assigments. And a couple of years later when my phone conks off, I can simply get a new smartphone for about 8-10K. If one calculates the interest accumulated, one has way more in one's hand than one thinks.

Very useful keyboard for a media centre PC. Very handy having both the keyboard and trackpad in one unit rather than trying to find a surface to use a mouse on. Keyboard is good to type on. The unit as a whole feels solid but the plastic it is made out of seem quite cheap - which the product definitely was not! So the prices Logitech charge are a bit high but its the only media centre keyboard on the market so you just have to deal with it.

Very important detail. You would expect the dongle to be in the battery compartment, but it is actually on a flap on the box. Seller was very polite and helpful when I enquired about it. On an unrelated note, this keyboard works with the Logitech Options software, but Logitech Options, the program to configure the keyboard does not seem to work with Window 11. Just something to be aware of. The keyboard and trackpad will still work, only there won't be a way to reverse two finger scrolling direction. That is a Logitech issue.

hooked this up to my firestick and it works awesome. i can use it to look stuff up in the shop right on the tv. !