Why usb c to usb a? the cable provided has usb c connector at the keyboard end and usb a at the computer end. why not usb c at both ends?

Probably because the rest of the computer industry hasn’t moved completely to usb c. USB A is a highly robust connector going on 24 or so years. The USB C connector though fast has been known to lose how well it holds into the receptacle after awhile. USB A is also still the most common connector thus making it the most compatible.

How can i program the backlights to display my own rgb sequence?

Unfortunately with the Keychron K4 you are unable to program your own colors or pattern. You can select from some preset patterns or a specific color using a key on the keyboard.

"usb accessories disabled" when connecting through an external display. any idea as to how to fix this ?

What's giving you that message? Windows or the display itself? Doesn't sound like windows... If so, Google the message with the model of your display. Probably many other people have had this problem.

Are the switches hot swappable?

No, on this keyboard you can’t hot swap. It’s a good keyboard but it’s not what your looking for if you want to change out keys.

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K4C

Product ID: 268054979

Details

Brand
Keychron
Color
Gateron Brown
Compatible Devices
Laptop
Connectivity Technology
wired wireless
Keyboard Description
Mechanical
Keyboard backlighting color support
RGB

🎨15+ RGB backlight modes

🔋4000mAh battery, up to 240h typing

🔗Bluetooth 5.1 + USB-C wired dual mode

€ 219.83

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Description

⌨️ Elevate your desk game with the Keychron K4 — where compact meets powerhouse productivity!

POWERHOUSE BATTERY LIFE - 4000mAh battery delivers up to 240 hours typing time—stay unplugged and productive all week.
CUSTOMIZABLE RGB BACKLIGHTING - Choose from 15+ dynamic lighting modes to match your mood and workspace vibe effortlessly.
TACTILE GATERON BROWN SWITCHES - Experience 50 million keystrokes of smooth, quiet, and responsive typing tailored for focus and gaming.
COMPACT 96 LAYOUT WITH NUMBER PAD - Full-size functionality in a sleek, space-saving design perfect for multitasking pros.
SEAMLESS MULTI DEVICE CONNECTIVITY - Pair up to 3 devices via Bluetooth 5.1 and switch instantly for ultimate workflow fluidity.

The Keychron K4 Wireless Mechanical Keyboard combines a compact 96% layout with a full number pad, offering seamless Bluetooth 5.1 and USB-C wired connectivity. Featuring durable Gateron Brown switches rated for 50 million keystrokes, a robust 4000mAh battery supporting up to 240 hours of typing, and customizable RGB backlighting with over 15 modes, it’s engineered for professionals who demand style, speed, and versatility across Mac and Windows platforms.

Specifications

Additional Features	Bluetooth, Lighting, Wireless
Antenna Location	Gaming, Office
Asin	B08LYMDYV9
Best Sellers Rank	#11,139 in Video Games (See Top 100 in Video Games) #322 in Mac Accessories #753 in PC Gaming Keyboards
Brand	Keychron
Built In Media	Keycap Puller, USB Cable
Button Quantity	99
Color	Gateron Brown Switch
Compatible Devices	Laptop, Smartphone
Compatible Operating System Family	MacOS, Windows
Connectivity Technology	wired, wireless
Customer Reviews	4.5 4.5 out of 5 stars (704) 4.5 out of 5 stars
Enclosure Material	Aluminum
Generation	2
Hand Orientation	Ambidextrous
Item Dimensions L X W X H	14.8"L x 5.08"W x 1.5"H
Item Weight	0.94 Kilograms
Keyboard Backlighting Color Support	RGB
Keyboard Description	Mechanical
Keyboard Layout	QWERTY
Manufacturer	Keychron
Mfr Part Number	K4C3
Model Name	K4
Model Number	K4C3
Number Of Batteries Required	1
Number Of Keys	99
Number Of Sections	2
Power Source	Battery Powered
Series Number	4
Style Name	Contemporary
Switch Type	Gateron Brown Switch
Theme	keyboards
Unit Count	1 Count
Warranty Description	1
Water Resistance Level	Not Water Resistant

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€ 219.83

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered 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 Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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