Are these hot swappable?

Only the K3 with low-profile optical switches is hot-swappable. The mechanical switch K3 is not hot-swappable.

does it work on Linux Bluetooth mode? (if not works plugged in?)

Yes it does work both plugged and unplugged (via Bluetooth) currently using it in Fedora 35. It even displays low battery warnings in GNOME shell.

Is this version hot swappable?

Yes, if by hotswappable you mean the ability to switch between Mac and Windows? And swap out keys? Yes to both.

Are the keycaps shine-through?

Yes, the K3 keyboard has elegant white backlight. Thank you for your attention to our products.

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Description

⌨️ Elevate your desk game with the sleekest mechanical keyboard in the room!

MAC WINDOWS READY - Custom Mac layout with included Windows keycaps and firmware updates ensure flawless compatibility across all your devices.
ULTRA SLIM ULTRA PORTABLE - At just 2.2 cm thick and 500g, this aluminum-bodied keyboard fits perfectly in your minimalist workspace or on the go.
MOOD SYNC WHITE BACKLIGHTING - Floating keycaps with elegant white LED backlight create a modern, distraction-free ambiance for late-night productivity.
PRECISION LOW PROFILE SWITCHES - 40% slimmer Gateron Brown mechanical switches deliver faster input with satisfying tactile feedback—type smarter, not harder.
SEAMLESS MULTI DEVICE WORKFLOW - Connect up to 3 devices via stable Broadcom Bluetooth 5.1 and switch instantly—stay in flow, never miss a beat.

The Keychron K3 Version 2 is an 84-key ultra-slim wireless mechanical keyboard featuring low-profile Gateron Brown switches and a reinforced aluminum frame. It supports Bluetooth 5.1 multi-device connectivity, offers seamless Mac and Windows compatibility, and includes white LED backlighting for a stylish, professional setup.

Specifications

Brand	Keychron
Manufacturer	Keychron, Shenzhen Keychron Technology Co., Ltd Building No.2, WenKeng Industrial Zone, No.24 DaFa Road, Long Gang District 518129, Shenzhen, Guangdong
Model	K3A3
Model Name	K3-A3
Product Dimensions	11.6 x 30.6 x 2.2 cm; 500 g
Batteries	1 Lithium Polymer batteries required. (included)
Item model number	K3A3
Operating System	Windows 10
Hardware Platform	Laptop, Tablet
Hardware Interface	Bluetooth
Compatible Devices	Laptop, PC, Smartphone, Tablet
Special Features	Hot-Swappable, Low-Profile Key, White Backlit
Mounting Hardware	1 x USB-A to USB Type-C Cable, Hex Key & Screwdriver x1, Keycap Puller, User Manual
Number of items	1
Voltage	5 Volts
Power Source	Battery Powered
Batteries Included	Yes
Batteries Required	Yes
Battery cell composition	Lithium Polymer
Keyboard Description	Multimedia
Connector Type	Bluetooth, USB, USB-A
Material	Acrylonitrile Butadiene Styrene Aluminum
Hand Orientation	Ambidextrous
Includes Rechargeable Battery	Yes
Manufacturer	Keychron
Country of Origin	India
Item Weight	500 g

Reviews

M**J

Keychron k3 v2 ultimate professional keyboard

Interesting keyboard., it is my second me chanical keyboard, first has logi mechini, no usb support as well as down grade windows such as windows 7. Keychron has an interesting forma factor, lightning was awesome. Easy to connect. Type c cable was premium, well covered. Even though it come with dtc courier they managed to deliver at my door. Actually I feel it too small. I primarily used it for professionals uses.

27.06.2025

N**I

Good value for money and premieum quality

Very happy with the purcahse, premieum quality

25.08.2025

D**A

Ergonomic

Excellent keyword.take some time to adapt. Light weight. Bluetooth connectivity is strong. Looks amazing.

19.08.2025

A**N

Good keyboard.

The keys feel really good.It's not too mushy. It's also quieter than my old reddragon Kailh Switches, despite being browns. And the typing experience is amazing. But there are a few drawbacks.The Bluetooth connectivity isn't that amazing. But occasionally I have to switch it off and on to get it sorted. Otherwise there's some lag. At this price point I'm not gonna let that pass without atleast taking off 2 stars.Looks and feels amazing. Backlight is also good.I really don't like that the last key on top right is the light key and I keep pressing it by muscle memory for 'DEL' and this key combination cannot be changed via software. That's really inconvenient. Also the shift key is too smol.All in all I'm satisfied. But I'd rather buy it on the website for 5k cheaper.Not hotswappable.

24.01.2024

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