Description
Keychron K15 Max is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 75% Alice layout through the Keychron Launcher web app. Besides, it has included LSA (low profile spherical-angled) profile keycaps for both Windows and macOS, and users can hot-swap with Gateron low-profile MX mechanical switch in a breeze .


Specifications:
| Number of Keys | 90 (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 |
| Switch Compatibility | Gateron/Keychron low-profile mechanical switches only |
| QMK Support | Not compatible with low-profile optical switches |
| Backlit | 22 types of RGB backlight options plus endless possibilities |
| Battery | 2000 mAh rechargeable li-polymer battery |
| Wireless Working Time (Backlit off) | Around 95 hours |
| Wireless Working Time (RGB) | Around 50 hours (Lowest brightness) |
| Connection | 2.4 GHz / Bluetooth / Type-C wired |
| Bluetooth Version | 5.1 |
| Bluetooth Device Name | Keychron K15 Max |
| Compatible System | macOS / Windows / Linux |
| Dimension | 370 x 143 mm (14.57 x 5.63") |
| Weight | 700 g / 1.54 lbs |
| Height without keycap (front) | 11.5 mm (0.45") |
| Height without keycap (rear) | 16.5 mm (0.65") |
| Height incl. keycap (front) | 21.3 mm (0.84") |
| Height incl. keycap (rear) | 29 mm (1.14") |
| Typing Angle | 2.7º, 3.9º and 6.1º |
| MCU | ARM Cortex-M4 32-bit STM32F402 (256KB Flash) |
| Operating Environment | -10 to 50℃ |

