cn i use this keyboard with my classroom pc tower?

if it has a USB port and you have permissions to instal a device...yes.

I don't have Fire TV, I uses it with my laptop that connected to HD LED TV.

Hello this keyboard is for android tablets and phones ??

This keyboard is for computers with USB ports, as it has a USB transmitter.

Will this work if i use Samsung galaxy s21 and tv monitor?

It's not a bluetooth keyboard. It has a standard USB transponder that you have to plug in to your device. Any device that you can use with a normal USB keyboard you can use with this keyboard. You can use it with a PS5 or most smart TVs. But probably not with a phone, and not with a TV that you're just using as a monitor. You'd have to plug it into the computer that you're using with the TV.

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Logitech Wireless Touch Keyboard K400

Product ID: 437210

Details

Brand
Logitech
Color
Black
Compatible Devices
Laptop PC
Connectivity Technology
Wireless
Keyboard Description
Wireless
Keyboard backlighting color support
Single Color

📶33 ft (10 m) wireless range for ultimate couch control

⌨️Sleek low-profile keys for quiet, comfortable typing

🖱️3.5-inch built-in multi-touch touchpad for seamless navigation

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Description

⌨️🖱️ Take command from your couch—type, swipe, and surf in style!

FREEDOM TO ROAM - Control your TV-connected laptop from across the room with a robust 33-foot wireless range.
TOUCHPAD MASTERY - Large multi-touch touchpad lets you swipe, scroll, and click with precision—no mouse needed.
WINDOWS OPTIMIZED - Seamlessly compatible with Windows 7, Vista, and XP for reliable performance.
PLUG AND PLAY SIMPLICITY - Tiny Logitech Unifying receiver means instant setup—just plug in and start browsing.
EFFORTLESS TYPING EXPERIENCE - Quiet, low-profile keys with bold characters keep you productive without distractions.

The Logitech Wireless Touch Keyboard K400 combines a sleek, quiet keyboard with a spacious 3.5-inch multi-touch touchpad, offering 33 feet of wireless freedom. Designed for Windows laptops, it features plug-and-play setup via a compact Unifying receiver, making it the perfect all-in-one remote control for your media and productivity needs.

Specifications

ASIN	B005DKZTMG
Additional Features	Hotkeys and Media Keys, Low-Profile Key, Trackpad
Antenna Location	Everyday Use
Best Sellers Rank	#370 in Computer Keyboards
Brand	Logitech
Built-In Media	AA Batteries (2), Keyboard, USB Extender, USB Receiver, User Documentation
Button Quantity	78
Color	Black
Compatible Devices	Laptop, PC
Compatible Operating System Family	Windows
Connectivity Technology	Wireless
Customer Reviews	4.3 out of 5 stars 11,623 Reviews
Enclosure Material	Plastic
Global Trade Identification Number	00097855074928, 10097855074925
Hand Orientation	Ambidextrous
Item Dimensions L x W x H	5.35"L x 13.9"W x 0.94"H
Item Weight	12.7 Ounces
Keyboard Backlighting Color Support	Single Color
Keyboard Description	Wireless
Keyboard Layout	QWERTY
Language	English
Manufacturer	Logitech
Mfr Part Number	LOG920003070
Minimum Required Operating System Version	Windows 7
Model Number	920-003070
Number of Batteries Required	2
Number of Keys	78
Number of Sections	1
Power Source	Battery Powered
Recommended Uses For Product	Everyday Use
Special Feature	Hotkeys and Media Keys , Low-Profile Key, Trackpad
Style Name	Contemporary
Switch Type	Linear
Theme	computing
UPC	801940483591 763615784962 808113020096 100177260532 804993513819 887589062540 689228594999 097855074928 640026652311 012303251324 097855077707 641438039110 790304486203 641438921743 640206663175 088021284425 337485728540 043396316591 666674965580 803982774187
Unit Count	1.0 Count
Warranty Description	3-year limited hardware warranty
Water Resistance Level	Not Water Resistant

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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$164.64

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In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

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TrustScore 4.5 | 7,300+ reviews

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