Keychron V1 Max QMK/VIA Wireless Custom Mechanical Keyboard SKU: V1M-D4 All-Around Customizable Keyboard To build a fully customizable keyboard, we designed every component to be easily assembled so you can customize and adjust any or every parts the way you want. 2.4 GHz & Bluetooth Connection Experience peak gaming performance on the fly with the 2.4 GHz wireless connection boasting a rapid 1000 Hz polling rate. For seamless multitasking across your computer, phone, and tablet, you can effortlessly connect the V1 Max via Bluetooth 5.1 to three devices. An Epic Core Inside The Keyboard A powerful ARM architecture MCU equipped with 256K Flash will provide more flexibility for developers. The polling rate is 1000 Hz right out of the box, which makes the latency hardly noticeable even in competitive games. OSA Profile Double-shot PBT Keycaps These double-shot PBT keycaps have a similar height to the OEM profile and has an SA-like shape. We named it the OSA (OEM spherical angled) keycap. The PBT keycaps will provide excellent oil resistance, enhance the type feel, and prevent the legends from fading out. Switch Layouts Between macOS & Windows Built with the Mac users’ experience in mind while still retaining compatibility for Windows devices, the Keychron V1 Max comes with a system toggle and an additional set of customized keycaps for both Windows and macOS systems. You can now save two different layouts on the keyboard, one for each system. Specifications Width 148.7 mm Length 328.5 mm Front Height 21.5 mm (without keycaps) Back Height 29.4 mm (without keycaps) Feet Height 2 mm Angle 3.5° / 7.1° / 9.5° Weight 770 g ± 10 g (Fully Assembled Version) Body Material ABS Plastic Plate Material PC Polling Rate 1000 Hz (2.4 GHz and wired) / 90 Hz (Bluetooth mode) Mount Style Gasket Mount Design Bluetooth Device Name Keychron V1 Max Battery 4000 mAh Rechargeable li-polymer battery Wireless Working Time (Backlit off) Up to 225 hours (Lab test result may vary by actual use) Wireless Working Time (RGB) Up to 100 hours (Lowest brightness) Charging Time Around 5 hours Bluetooth Version 5.1 Compatible System Windows/macOS/Linux N-Key Rollover (NKRO) Yes for both wireless and wired modes Hot-swappable Yes. Compatible with most of the 3 pin & 5 pin MX mechanical switches such as Gateron, Cherry MX, Kailh, etc. Keycaps (Fully Assembled Version) Double-shot PBT keycaps, not shine-through, OSA Profile (OEM height, SA shape) MCU ARM Cortex-M4 32-bit STM32F402 (256KB Flash) Switches Gateron Jupiter (Fully Assembled Version) Backlight South-facing RGB LED Stabilizer Screw-in PCB stabs Charging Port USB Type-C Cable Type-C cable + Type-A to Type-C adapter Operating Environment -10℃ to 50℃