Keychron - K3 Version 3 75% Ultra-Slim Wireless Mechanical Keyboard with RGB and Red Switch - Black
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Key Switch Behavior
LinearRelated Item
Specifications
- Lighting TypeRGBForm FactorTenkeyless (TKL)Keyboard TechnologyMechanicalKey Switch BehaviorLinearConnection TypeWireless
- Key Specs
- Lighting Type: RGB
- Form Factor: Tenkeyless (TKL) (The size, arrangement, and physical configuration of the product.)
- Keyboard Technology: Mechanical (Type of technology that detects a key press.)
- Key Switch Behavior: Linear (Refers to the mechanisms under the keycaps on a keyboard that enable you to type faster and more precisely. Linear switches move straight up and down without any sound or bump. Tactile switches provide a noticeable bump in the key press, and no sound. Clicky switches provide a bump in the key press and "clicky" sound.)
- Connection Type: Wireless
- General
- Brand: Keychron
- Model Number: K3X-B1
- Product Name: K3 Version 3 75% Ultra-Slim Wireless Mechanical Keyboard with RGB and Red Switch
- Color: Black
- Features
- Lighting Type: RGB
- Customizable Lighting: true
- Numeric Keypad: false
- Touchpad: false
- Palm Rest: false
- Spill Resistant: false (Designed to resist some degree of accidental liquid spill. The level of spill-resistance is indicated by the product manufacturer, but the degree of protection may not be guaranteed after normal wear of the product.)
- Keyboard Features: 75% Layout / Ultra-Slim / Bluetooth / USB-C Wired / QMK / Launcher / RGB / Milk POM Red
- Foldable: false
- Keycap Material: ABS
- Maximum Number of Memory Profiles: 4
- Functions
- Form Factor: Tenkeyless (TKL) (The size, arrangement, and physical configuration of the product.)
- Number Of Keys: 84
- Keyboard Technology: Mechanical (Type of technology that detects a key press.)
- Dedicated Macro Keys: false (Perform shortcuts of key sequences to carry out commands with a single key. Key sequences may include key strokes, mouse actions, and/or menu actions.)
- Adjustable Tilt Function: true
- Key Switch Behavior: Linear (Refers to the mechanisms under the keycaps on a keyboard that enable you to type faster and more precisely. Linear switches move straight up and down without any sound or bump. Tactile switches provide a noticeable bump in the key press, and no sound. Clicky switches provide a bump in the key press and "clicky" sound.)
- Multimedia Keys: true
- Internet Keys: false
- Number Of Programmable Keys: 84
- Connectivity
- Connection Type: Wireless
- Wireless Connectivity: Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- Maximum Wireless Range: 33 feet
- Number Of USB Port(s): 1 (The total number of USB ports including all generations and versions.)
- Number of Devices Connectable Simultaneously: 3
- Compatibility
- Operating System Compatibility: Universal
- Plug and Play Operation: true
- Power
- Rechargeable Battery: true
- Number of Batteries Required: 1
- Batteries Included: true (Indicates whether the product comes with the required batteries for its operation.)
- On/Off Switch: true
- Dimensions
- Product Height: 0.91 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 12.05 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 4.57 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 19 ounces (The out of box weight of the item.)
- Mouse
- Mouse Included: false
- Warranty
- Warranty - Parts: 1 year limited
- Warranty - Labor: 1 year limited
- Other
- UPC: 4895248888765
Keychron K3 Version 3 is an ultra-slim 75% wireless mechanical keyboard for users who want a compact Mac and Windows setup without giving up the function row. This RGB Red switch version supports Bluetooth and USB-C wired mode, QMK/Keychron Launcher customization, shine-through ABS keycaps, and a rechargeable 1550 mAh battery.
- Ultra-Slim 75% Design: A compact low-profile layout keeps the function row and arrow keys while giving more room for a mouse, notebook, or small desk setup.
- QMK Launcher Control: Use Keychron Launcher in a supported browser to remap keys, create macros, and make the compact layout feel personal.
- Milk POM Red Feel: Red switches deliver a smooth linear feel with light travel, a good fit for gaming, quick typing, and shared desks.
- Bluetooth and USB-C: Connect wirelessly over Bluetooth or plug in with USB-C when you want a stable desk setup.
- RGB Shine-Through Keys: Shine-through ABS keycaps and RGB lighting make legends easier to see while keeping the keyboard slim and travel friendly.
Whats Included
- Fully Assembled Keyboard / USB-C Cable / USB-A to USB-C Adapter / Keycap Puller / Quick Start Guide
Compare similar products

Keychron K3 Version 3 is an ultra-slim 75% wireless mechanical keyboard for users who want a compact Mac and Windows setup without giving up the function row. This RGB Red switch version supports Bluetooth and USB-C wired mode, QMK/Keychron Launcher customization, shine-through ABS keycaps, and a rechargeable 1550 mAh battery.

Keychron K3 Version 3 Hot-Swappable is built for a thinner, more portable mechanical keyboard experience. This RGB Banana switch version combines an early tactile typing feel with Bluetooth, USB-C wired mode, QMK/Launcher customization, shine-through ABS keycaps, and hot-swap support for compatible Keychron low-profile switches.

Keychron K3 Version 3 Hot-Swappable gives a slim 75% layout more customization headroom. This RGB Red switch model supports Bluetooth and USB-C wired mode, QMK/Keychron Launcher remapping, hot-swappable Keychron Milk POM low-profile switches, shine-through ABS keycaps, and a Mac/Windows friendly layout.

The K2 HE is a wireless QMK mechanical keyboard with a 75% layout, equipped with Hall Effect Gateron Double-Rail magnetic switches.
| Pros for Keychron - K3 Version 3 75% Ultra-Slim Wireless Mechanical Keyboard with RGB and Red Switch - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Sound Quality, Key Feel, Connectivity, RGB Lighting, Size |
| Cons for Keychron - K3 Version 3 75% Ultra-Slim Wireless Mechanical Keyboard with RGB and Red Switch - Black | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Battery Life, Keycap Design |
Specs
Reviews
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