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 with Built-In Multi-Touch Touchpad, Black

Logitech Wireless Touch Keyboard K400 with Built-In Multi-Touch Touchpad, Black

Product ID: 731574693

Details

Brand
Logitech
Color
Black
Compatible Devices
Laptop
Connectivity Technology
wireless
Included Components
Wireless
Keyboard Description
Wireless

📶10m wireless range

⌨️78-key compact layout

🖱️3.5-inch multi-touch touchpad

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NZ$239

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Description

🖥️ Elevate your living room setup with wireless freedom and touchpad finesse!

QUIET BOLD TYPING - Enjoy comfortable typing on whisper-quiet keys with easy-to-read characters.
MULTI TOUCH MASTERY - Experience smooth, intuitive web browsing with a large 3.5-inch touchpad.
PLUG PLAY SIMPLICITY - Tiny Logitech Unifying receiver ensures instant wireless connection—no Bluetooth fuss.
SEAMLESS COUCH CONTROL - Navigate your TV-connected laptop effortlessly from up to 33 feet away.
UNIVERSAL COMPATIBILITY - Works flawlessly with Windows 7, Vista, and XP for versatile use.

The Logitech Wireless Touch Keyboard K400 combines a compact 78-key layout with a spacious 3.5-inch multi-touch touchpad, delivering quiet, comfortable typing and effortless navigation. Its 10-meter wireless range and tiny Unifying receiver enable seamless control of your TV-connected laptop from the couch. Compatible with Windows 7, Vista, and XP, this keyboard is designed for easy plug-and-play use, making it a smart choice for casual browsing and media control.

Specifications

ASIN	B005DKZTMG
Additional Features	Trackpad
Amazon Bestseller	#134,736 in Computers ( See Top 100 in Computers ) #2,091 in Computer Keyboards
Antenna Location	Office
Brand	Logitech
Built-In Media	Wireless Receiver
Button Quantity	78
Color	Black
Compatible Devices	Laptop
Compatible Operating System Family	Windows
Connectivity Technology	wireless
Customer Reviews	4.3 4.3 out of 5 stars (10,821)
Global Trade Identification Number	00097855074928, 10097855074925
Hand Orientation	Ambidextrous
Item Weight	12.7 Ounces
Keyboard Description	Wireless
Keyboard Layout	QWERTY
Language	English
Manufacturer	Logitech
Mfr Part Number	LOG920003070
Minimum Required Operating System Version	Windows XP
Model Number	920-003070
Number of Keys	78
Number of Sections	1
Switch Type	Linear
UPC	801940483591 763615784962 808113020096 100177260532 804993513819 887589062540 689228594999 097855074928 640026652311 012303251324 097855077707 641438039110 790304486203 641438921743 640206663175 088021284425 337485728540 043396316591 666674965580 803982774187

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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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NZ$239

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In stock

Sold byAmazon New ZealandDelivered 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 New Zealand.

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TrustScore 4.5 | 7,300+ reviews

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