| Brand | Keychron®︎ |
| Price | standard |
| JIS/US | JIS, US |
| Keyboard Size | 75% |
| Key Profile | low-profile |
| Key Sounds | Choose what you like |
| How to Connect | Bluetooth, USB |
| Battery | usb-power, rechargeable |
| Hotswap | hotswap-available |
| Normal or Split | 非分割 |
Comment
- November 21, 2023 Release
- White model will be available in Japan from November 27, 2024.
- English and Japanese layouts available
- Prices as low as $94.00 for the white backlit model, $104.00 for the RGB backlit model, and $114.00 for the RGB backlit (hot-swappable) model
- New inexpensive entry-level “K Series” very popular low-profile x 75% layout
- Two wireless connection methods: 2.4GHz using a USB dongle and Bluetooth 5.1
- In the 2.4 GHz band, the polling rate is 1000 Hz.
- The wired connection method is USB Type-C as before.
- Compatible with QMK/VIA
- Hot-swappable
- Gateron LP 2.0 is used.
- Click here to purchase from the original official website ▷▷▷.
Difference between Keychron K3 and K3 Max
| K3 Max | K3 | |
|---|---|---|
| Connection method | USB Type-C 2.4GHz Bluetooth 5.1 | USB Type-C Bluetooth 5.1 |
| Polling rate (2.4GHz band) | 1000Hz | 90Hz |
| QMK/VIA compatible | support | incompatible |
| key switch | Gateron Low Profile only | Gateron Low Profile or Keychron Optical |
| Sound-absorbing foam | equipped (with) | not equipped (with) |
| hot swap | Optionally available | Optionally available |
| keycap | Double-shot PBT | Single-shot ABS |
Where to Buy
- Keychron.com｜Official website with the entire product lineup
- Keychron on Amazon Official｜Amazon Japan’s official store
- Keychron (Rakuten Ichiba)
Types of Keychron and how to choose ▷▷▷
仕様詳細
SPECIFICATION
- Number of Keys: 84 (75%)
- Switches: Gateron low-profile mechanical
- Switch Face: North-facing
- Number of Multimedia Keys: 12
- Frame Material: ABS+Aluminum frame
- Keycap Material: Low-profile double-shot PBT
- Layout: ANSI
- Polling Rate (2.4Ghz and Wired Mode): 1000Hz
- Polling Rate (BT Mode): 90Hz
- N-Key Rollover (NKRO): Yes for both wireless and wired modes
*The K3 Max is currently compatible with Gateron/Keychron low-profile mechanical switches only, as QMK does NOT support low-profile optical switches.
CONNECTIVITY AND POWER
- Backlit: 22 types of RGB backlight options plus endless possibilities
- Battery: 1550 mAh rechargeable li-polymer battery
- Wireless Working Time (Backlit off): Up to 78 hours (Lab test results may vary by actual use)
- Wireless Working Time (RGB): Up to 40 hours (Lowest brightness)
- Connection: 2.4 GHz / Bluetooth / Type-C wired
- Bluetooth version: 5.1
- Bluetooth Device Name: Keychron K3 Max
- Compatible System: macOS / Windows / Linux
PHYSICAL UNIT
- Dimension: 306 x 116 mm (12.04 x 4.56″)
- Weight: 525 g / 1.16 lbs
- Height without keycap (front): 11 mm (0.43″)
- Height without keycap (rear): 15 mm (0.59″)
- Height incl. keycap (front): 17 mm (0.66″)
- Height incl. keycap (rear): 22 mm (0.86″)
- Typing Angle: 2.5º, 4.2º and 6.5º
- MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash)
- Operating Environment: -10 to 50°C
Information reference: Keychron.com
Selectable axis types
There are three axes to choose from: Gateron LP2.0 red, brown, and blue axes.
Some models support hot-swapping.
Gateron Low-profile Switches 2.0 (Gateron Official)
| Switch | Red | Brown | Blue | Banana |
|---|---|---|---|---|
| Picture. |  |  |  |  |
| Feel | Linear | Tactile | Clicky. | Tactile |
| Color | Red | Brown | Blue | Yellow |
| Lubed. | Pre-Lubed | Pre-Lubed | Pre-Lubed | Pre-Lubed |
| Pressure | 50gf | 55gf | 65gf | 60gf |
| Operating force | 50±15gf | 55±15gf | 65±15gf | 60±15gf |
| End force | 60±5gf | 60±5gf | 70±5gf | unknown |
| Spring | 13.5mm | 13.5mm | 11.5mm | unknown |
| Pre-Travel | 1.7±0.4mm | 1.7±0.4mm | 1.7±0.4mm | 1.7±0.4mm |
| Total Travel | 3.2±0.2mm | 3.2±0.2mm | 3.2±0.2mm | 3.2±0.2mm |
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