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Logitech Wireless Touch Keyboard K400 with Built-In Multi-Touch Touchpad (920-003070)

4.5 out of 5 stars 371 customer reviews
| 26 answered questions

List Price: CDN$ 49.99
Price: CDN$ 40.87
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  • Battery / Run Time:1 Year
  • Wireless Operating Frequency:2.40 GHz
  • Number of Batteries Supported:2
  • Input Device Type:Keyboard
  • Connectivity Technology:Wireless
  • Features:32.81 ft Low-profile Keys K400 Keyboard USB Receiver USB Extender 2 x AA Batteries (pre-installed) User Documentation Logitech 10 m
  • Key / Function Button:Mute
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Frequently Bought Together

  • Logitech Wireless Touch Keyboard K400 with Built-In Multi-Touch Touchpad (920-003070)
  • +
  • Matricom G-Box Q Quad/Octo Core XBMC/Kodi Android TV Box
Total price: CDN$ 165.85
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Product Details

  • Product Dimensions: 13.6 x 35.3 x 2.4 cm ; 358 g
  • Shipping Weight: 816 g
  • Batteries 2 AA batteries required. (included)
  • Item model number: 920-003070
  • Date first available at Sept. 8 2011
  • Average Customer Review: 4.5 out of 5 stars 371 customer reviews
  • Amazon Bestsellers Rank: #500 in Electronics (See Top 100 in Electronics)
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Product Description Product Description

The Logitech Wireless Touch Keyboard K400 has a 10-meter (33 feet) wireless range and a large, built-in multi-touch touchpad for total control when connecting your laptop to your TV.

From the Manufacturer



Logitech Wireless Touch Keyboard K400

For across-the-room control of your laptop—even when it's connected to your TV

Say goodbye to hunching over your laptop and constantly getting up to navigate on your TV-connected laptop. Whether you’re IMing on your small screen or surfing the Web on your big screen, you can lean back and enjoy convenient typing and multi-touch navigation right from your couch. Whichever screen you’re using, this sleek wireless keyboard is designed for the way you use your laptop today


* Wireless range may vary due to environmental and computing conditions.

** Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary.

noteworthy features
Long-range wireless control
  • Reliable Logitech Advanced 2.4 GHz wireless connection with up to 33 ft range*
  • Control your TV-connected laptop from across the room
  • Turn up the volume, pause or tweet about the movie you just downloaded—all without leaving the couch
Comfortable, quiet typing
  • Whisper-quiet low-profile keys
  • Easy-to-read bold, bright-white characters
  • Media hot keys like mute, play, volume up or down for easy entertainment control
  • Sleek, compact design feels just right on your lap
  • Keyboard can be stored vertically to save space
Built-in large touchpad with intuitive Windows 8 gesture support
  • No need for a separate mouse
  • Large 3.5-inch touchpad with multi-touch navigation for easy horizontal and vertical scrolling
  • Convenient left and right click buttons
    Learn More >
Plug-and-play simplicity
  • No cords, software or hassles
  • Plug the Logitech Unifying wireless receiver into your USB port and start navigating
  • Tiny receiver can stay in your laptop and connect up to six compatible Unifying wireless devices
    Learn More >
12-month battery life**
  • Go for a full year without changing batteries
  • On-off switch helps you save power when you're not using the keyboard


Wireless Touch Keyboard K400
What's in the box?
  • Wireless Touch Keyboard K400
  • Unifying USB receiver
  • USB extender
  • 2 AA batteries (pre-installed)
  • User documentation
Works with:
  • Windows 8/Windows 8 RT, Windows Vista, Windows 7, Windows XP
  • USB port

Customer Reviews

Top Customer Reviews

Verified Purchase
Summary: Good HTPC keyboard for limited-time usage. It's best features are its range and touchpad, the 2 only reasons I bought this keyboard (and the only reasons I'm not returning it). Keep this purpose in mind, it is NOT meant as a regular-use keyboard. It's flaws would annoy you to no end if you tried to use it as a regular-use one.

- lightweight
- great range, even with some interfering objects b/w the receiver and keyboard
- on/off switch
- arrow keys are not compacted
- no proprietary battery (AAs are easy and cheap to replace)
- touchpad

- TOO compact
- commonly used keys (specifically backspace, enter, and right shift) are WAY too small
- key depth a bit too deep
- touchpad could be a bit taller
- touchpad buttons are a bit too stiff
- native touchpad sensitivity is a bit too sensitive

Explanation of cons:
As always, I think it's important to justify the cons, otherwise they're not worth listing. First, the keyboard is actually TOO compact. It could easily be at least an extra 25% bigger in width and length and still be considered compact. It's current size makes it feel very cramped to comfortably type on for more than a few seconds at a time. And unless you're a petite woman or smaller-framed guy, it's small size makes it sit awkwardly on your lap. Plus, the extra space would help solve some of the issues with my 2nd con.

My 2nd con, commonly used keys are WAY too small, specifically the backspace, enter, and right shift key. I can't even count how many times I've accidentally hit the = key when going to hit backspace, ' key when going to hit enter, and the up arrow when going to press the right shift.
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Verified Purchase
Good keyboard overall. Used with Windows 8.1, most of the key bindings work, really useful for sound for example.
Mouse is smooth and easy to use. Cool thing, above the ESC key there is another click button, so you can hold both ends of the keyboard and use both thumbs.
Right shift and backspace are quite small, but you'll get used to it. If you need this keyboard it's probably not to write a novel anyway right?
You WILL have to use a USB extension if you don't have the dongle directly in front of you, or reception will be intermittent and very frustrating. Behind the case or in front of the case but at floor level will have bad reception. Once next to the foot stand of the TV it started working perfectly.
Only bad point is the software that is supposed to help you re-map keys. It is a steaming pile of garbage that does not work... I mean not at all! People have been complaining about it for years and it is still completely broken.
You can live without it, so not a really big deal.

TL;DR: Get it if you want to control your PC from your couch, at this price there is no competition and it's good.
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I agree with almost everything that "home techie" said in his/her (?) review.
But since I actually bought mine to use for extended typing and "mousing", I was much more disappointed than that reviewer and therefore can't give the device more than two stars.

I had mine for several days, and they were painful days.

See my review of a Logitech tk820 for a comparison of the k400 against the keyboard-trackpad combo that I bought and like.

The tk400 feels cheap... which is consistent with its looks.
Even the supplied batteries were cheap no-names, compared with the four Duracells installed in the tk820.

As other reviewers note, the keyboard portion is painfully narrow for use by a full-size human, with full-size hands, and I was getting soreness in places it should not be. The tiny format did indeed have several frequently-used keys badly located and small, which contributed to an endless stream of typing errors.
The trackpad felt rough and crude compared with the silky smoothness of the tk820 (or an Apple product). At times it seemed too sensitive, and registered the merest touch as a tap, which meant I was constantly undoing things I hadn't meant to do - thank goodness for [Ctrl][Z].

On the other hand, I think the k400 might have had some kind of power-save algorithm that caused it to sleep after a few seconds of inactivity. I suspect this, because it happened hundreds of times over a few days, that I would scroll some document or web page, pause to read, and then trip when trying to scroll again, if I took any time at all to read or otherwise not show activity. It was way less than a minute.
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Verified Purchase
I saw a lot of reviews complaining about the size and not having a Numb pad, However, this product was never designed to be a DESKTOP keyboard! this is a living room / couch keyboard to put on your lap while u brows or watch movies on your living room TV! and it is perfect for that.

- Thin, small and light. perfect for holding in your hands or on your lap
- Design, I was skeptical at first but when I got it I was impressed.
- Well built, not the toughest keyboard but sturdy for what its meant for.

- Multi-touch functions on touchpad not as responsive as I would like.
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