The NuPhy Air75 V2 is a compact 75% low-profile mechanical keyboard that seamlessly blends portability with performance. Designed for both Mac and Windows users, it offers tri-mode connectivity (Bluetooth 5.1, 2.4GHz wireless, and USB-C wired) and supports QMK/VIA for extensive customization. With a sleek design and robust features, the Air75 V2 is engineered for users who demand both style and substance. Key Features Tri-Mode ConnectivitySwitch effortlessly between Bluetooth 5.1, 2.4GHz wireless (via included receiver), and USB-C wired modes. Connect up to 4 devices and toggle between them seamlessly, ensuring uninterrupted workflow across multiple platforms. QMK/VIA SupportFully programmable keys for personalized layouts and macros. Utilize the open-source QMK/VIA firmware to customize key functions, layers, and lighting effects, tailoring the keyboard to your specific needs. Hot-Swappable Low-Profile SwitchesEasily swap out switches without soldering to customize your typing experience. Compatible with NuPhy’s own low-profile switches as well as Gateron low-profile 2.0 switches, offering flexibility in tactile feedback and actuation force. Double-Shot PBT KeycapsDurable and oil-resistant keycaps with double-shot legends for long-term clarity. Designed for a comfortable typing experience with a refined texture that resists shine over time. Enhanced Typing ExperienceFactory-lubed stabilizers, along with PCB and plate foam layers, significantly reduce noise and improve typing feel — delivering a quieter, crisper, and more premium experience. Customizable RGB BacklightingIlluminate your setup with vibrant lighting effects. The Air75 V2 offers per-key RGB customization with over 21 different color effects, adjustable brightness, and speed settings to match your aesthetic preferences.Amazon Extended Battery LifeA 4000mAh rechargeable battery delivers up to 57 hours of usage with backlighting on and up to 220 hours with lighting off, ensuring all-day productivity without frequent charging. Mac & Windows CompatibilityOptimized for both macOS and Windows systems. Includes dual OS keycap sets and a built-in system switch to easily swap layouts between macOS and Windows. Ultra-Slim, Portable DesignSlim and lightweight, perfect for on-the-go productivity. The Air75 V2's compact form factor and lightweight design make it an ideal companion for mobile workstations and tight desk spaces. SPECIFICATION Switch Type: Gateron Low-profile Mechanical (KS-33) Layout: ANSI 75% Number of Keys: 84 Hot-swappable Support: YesN-key Rollover Support: Yes Backlight: RGB-LED Backlight Modes: 40 Compatible System: macOS/Windows/Linux/Android/iOS Angle: 3.5º/ 6.5º / 8.5º Operating Environment: -10 to 50℃ MCU: STM32F072 RF: NRF52810 CONNECTION Mode: 2.4GHz, Bluetooth 5.1 or Wired (USB-C) 2.4GHz Polling Rate: 1000Hz Bluetooth 5.1 Polling Rate: 125Hz Wired Polling Rate: 1000Hz POWER AND BATTERY Battery Capacity: 4000mAh Working Time (all lights on): 35~57 hours (lab test result)Working Time (all lights off): Up to 220 hours (lab test result) MATERIALS Frame: Aluminum Bottom Case: ABS Keycap: Double-shot PBT SIZE AND WEIGHT 316.4 mm x 132.5 mm x 13.5 mm (12.5 inches x 5.2 inches x 0.59 inch) 598 grams (1.31 pound) IN THE BOX 1 x Air75 V2 Wireless Mechanical Keyboard 1 x USB-C to USB-A Cable (1.5 m) 1 x 2.4G Receiver 7 x Extra Keycaps4 x Extra Switches 1 x Keycap/Switch Puller1 x Sticker Set 1 x Quick Guide/Poster Download 1 x Q&A Download