Keychron K3 Max (ISO-DE) Keyboard
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The Keychron K3 Max (ISO-DE) is a slim, wireless, low-profile mechanical keyboard with a compact 75% layout and a German ISO-DE keyboard layout. It combines versatile tri-mode connectivity (USB-C, Bluetooth 5.x, and 2.4 GHz wireless), an ultra-responsive polling rate of up to 1000 Hz in both wired and 2.4 GHz modes, and comprehensive QMK/VIA support for in-depth customization of key mapping, macros, and lighting. The low-profile design is ideal for users who want a comfortable, space-saving typing experience combined with modern functionality and wireless freedom. Its compact form factor, robust construction, and extensive customizability make the K3 Max a versatile keyboard for work, gaming, and multitasking across multiple devices.
Technical specifications:
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Product type: Mechanical low-profile wireless keyboard – 75% layout
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Layout: ISO-DE (German keyboard layout)
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Color variant: Black / dark color scheme
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Connectivity: Tri-Mode – USB-C (wired), Bluetooth 5.x, 2.4 GHz Wireless
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Polling rate: Up to 1000 Hz (in 2.4 GHz and USB-C mode) – fast input for gaming & everyday use
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Lighting: RGB backlighting with multiple effects and customization options
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Connection: Detachable USB-C cable
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Bluetooth Multi-Device: Support for multiple paired devices
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Compatibility: Windows, macOS, Linux
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Firmware customization: QMK/VIA support – extensive customization of keys, macros, RGB
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Battery: Integrated battery for continuous wireless operation (capacity varies depending on usage)
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Ergonomics: Flat, low-profile design for comfortable, fatigue-free typing
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Keycap material: Low-profile double-shot PBT or high-quality ABS/LSA profile (depending on version)
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Keyboard size: Compact 75% format (~84 keys)
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N-Key Rollover (NKRO): Supported for precise multi-key input
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Media control: Function keys with multimedia shortcuts
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Special features:
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QMK/VIA compatible for in-depth adjustments
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Combination of Bluetooth, 2.4 GHz and wired connection
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Ultra-reactive polling rate for gaming performance and productive input
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