Instead of print screen and pause keys, is there a way to have insert?

The keys that are not on the keyboard can use the driver settings (any of the 104 keys). Please contact the seller through Amazon message and they will provide you with a satisfactory solution.

Hi for the costom xvx l75 what switches can I use to replace ? I haven't found any compatible clicky switches for the board

Most of the low profile mechanical keyboard PCB boards on the market are not compatible with any brand of low profile switches. The XVX L75 keyboard's original switch is OUTEMU(GTMX), and if you are looking for the replacement switch, you can only choose that brand of switch.

I see the switches are hot-swappable, but what brand of switches are sold with this?

Those are likely Outemu switches. They’re OK for linear switches - not too clicky

Are the keys prelubed?

They are not prelubed, however, they are very smooth and I've had mine for around 8 months without any issue.

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COSTOM Womier M84 75% Wireless/Wired Mechanical Keyboard, Compact 84 Keys Hot Swappable Gaming Keyboard, N-Key Rollover RGB Keyboard for Windows Mac PC Gamer (Coral Sea, Gateron Yellow Switch)

COSTOM Womier M84 75% Wireless/Wired Mechanical Keyboard, Compact 84 Keys Hot Swappable Gaming Keyboard, N-Key Rollover RGB Keyboard for Windows Mac PC Gamer (Coral Sea, Gateron Yellow Switch)

Product ID: 428815365

Details

Brand
COSTOM
Compatible devices
Gaming Console
Connectivity technology
USB USB-C
Keyboard description
Mechanical
Recommended uses for product
Office Gaming

🎨19 RGB modes

🔋33 ft wireless range

⌨️84-key compact layout

Description

🌊 Type in style, game with freedom — the keyboard that adapts to you!

COMPACT 75 LAYOUT - Maximize desk space without sacrificing essential keys—perfect for sleek, modern workstations.
ERGONOMIC CORAL SEA DESIGN - Curved ISA profile keycaps sculpted for fingertip comfort, blending art and tech in a unique coral sea theme.
DUAL WIRED WIRELESS MODES - Seamlessly switch between ultra-responsive wired play and reliable 2.4G wireless freedom up to 10 meters.
IMMERSIVE RGB PERSONALIZATION - Choose from 19 dynamic lighting modes and 9 colors to elevate your setup’s vibe or save power with backlight off.
HOT SWAPPABLE GATERON SWITCHES - Customize your typing feel instantly—no soldering needed, compatible with most 3/5-pin switches.

The COSTOM Womier M84 is a compact 75% mechanical keyboard featuring 84 keys with ergonomic ISA profile keycaps and a stunning coral sea design. It offers dual connectivity with wired USB-C and 2.4G wireless up to 33 feet, ensuring lag-free performance. Hot-swappable Gateron Yellow switches allow effortless customization without soldering. With 19 RGB backlight modes and extensive personalization, it’s tailored for both professional productivity and immersive gaming on Windows and Mac platforms.

Specifications

Brand	COSTOM
Package Dimensions	32.89 x 15.6 x 4.39 cm; 912 g
Batteries	1 Lithium Polymer batteries required.
Item model number	M84
Manufacturer	COSTOM
Series	M84
Color	Gateron Yellow Switch
Power Source	Battery Powered
Hardware Platform	Laptop, PC
Operating System	windows
Number of Batteries	1
Are Batteries Included	No
Lithium Battery Energy Content	6.84 Watt Hours
Lithium Battery Packaging	Batteries contained in equipment
Lithium Battery Weight	0.85 g
Number Of Lithium Ion Cells	1
Item Weight	912 g

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