Keychron K4 HE   Standard Versio n The Standard Version features Cherry profile double-shot shine-through PBT keycaps and aluminum frames.   Gateron Double-Rail Magnetic Switches Keychron K4 HE comes with pre-lubed Gateron double-rail magnetic switches for an ultra-stable and ultra-responsive typing experience with an industry-leading, lightning-fast response time, and precise control over the way your keyboard feels and responds. Jump into action with unmatched smoothness and stability.   Satisfying Keyboard Acoustics With pre-lubed switches, 3.5 mm thick EVA acoustic foam, EPDM foam, and a silicone pad inside the keyboard, the Keychron K4 HE delivers an exceptionally satisfying, soft, and thocky typing sound, enhancing your typing experience.   An Epic Core Inside The Keyboard Engineered with a powerful chip (MCU) with 256K flash and QMK open-source firmware to provide more flexibility for developers. The polling rate is 1000 Hz out of the box in Type-C wired mode and 2.4 GHz mode, which greatly helps when competitively gaming. Double-shot PBT Keycaps The PBT keycaps (shine-through cherry profile on the standard version, non-shine-through OSA profile for the special editions) will provide excellent oil resistance, enhance the type feel, and prevent the legends from fading out. Hot-swappable

Unlike mechanical switches, which depend on physical contact, Hall Effect magnetic switches use magnets to detect key presses. It is effortless to swap out the switch with compatible Hall Effect magnetic switches. Specifications  Length 373.2 mm Width 126.2 mm Front Height 31 mm (incl. keycap)Back Height 40.3 mm (incl. keycap)Weight Approx. 1090 gKeycaps Cherry Profile Double-shot keycaps, shine-throughFrame Material AluminumBottom Case Material ABS PlasticStabilizer Plate-Mounted StabilizerSwitch Gateron double-rail magnetic switchMCU ARM Cortex-M4 32-bit STM32F402RC (256KB Flash)Angle 5° / 8° / 11°
 Backlight North-facing RGB LEDPlate Material AluminumSensitivity 0.1 mmRapid Trigger YesAdjustable Actuation Points 0.2 - 3.8 mmDynamic Keystrokes 4-in-1 action keysMount Style Tray Mount DesignCable Type-A to Type-C cableConnectivity 2.4 GHz / Bluetooth / Type-C wired
 Bluetooth Version  5.2Bluetooth Device Name Keychron K4 HE
 Battery 4000 mAh Rechargeable li-polymer batteryWireless Working Time (Backlit off)   Up to 110 hours (Lab test results may vary based on actual use)N-Key Rollover (NKRO)  Yes for both wireless and wired modesHot-swappable Support Yes, compatible with Gateron double-rail magnetic switch only. Polling Rate 1000 Hz (Wired and 2.4 GHz) / 125Hz (Bluetooth)Operating Environment -10 to 50℃

Продукт известен още и като K 4 HE Standard Edition K 4 H J 1, K4HEStandardEditionK4HJ1, K4 HE Standard Edition (K4H J1), K4HEStandardEditionK4H-J1, K 4 HE Standard Edition (K 4H-J1), K4 HE Standard Edition (K4H-J 1)