Keychron K1 Max Ultra-Slim QMK/VIA Bluetooth Wireless/USB Wired Custom Mechanical Keyboard，2.4 GHz Hot Swappable TKL Layout RGB Backlight Gaming Keyboard

Low-profile Wireless Mechanical Keyboard - Hot-Swappable VersionKeychron K1 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 80% TKL layout through VIA. 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.The polling rate is 1000 Hz on 2.4GHz and wired modes right out of the box, which makes the latency hardly noticeable even in competitive games.SPECIFICATIONPolling Rate(2.4GHz and Wired Mode) 1000HzPolling RateBT Mode) 90HzN-Key Rollover (NKRO)Yes for both wireless and wired modesCompatible SystemmacOS / Windows / LinuxMCUARM Cortex-M4 32-bit STM32F402 (256KB Flash)Connection2.4 GHz / Bluetooth / Type-C wiredBattery2000 mAh rechargeable li-polymer batteryOperating Environment-10 to 50℃Frame MaterialABS+Aluminum frameKeycap MaterialLow-profile double-shot PBTSwitchesHot-Swappable Low-Profile Gateron SwitchBacklit22 types of RGB backlightDimension346 x 118.5 mm (13.62 x 4.66")Weight608 g / 1.34 lbs