Keychron B1 Pro Ultra-Slim 75 Wireless Keyboard Retro Blue B1P-K11

Keychron B1 Pro Ultra-Slim 75% Wireless Keyboard Retro Blue B1P-K11 The Keychron B1 Pro Ultra-Slim Wireless Keyboard B1P-K11 is a compact 75% keyboard designed for productivity across Mac, Windows, mobile and tablet devices. Featuring 2.4GHz wireless, Bluetooth 5.2 and USB-C wired connectivity, ZMK customisation and long battery life, it is ideal for office, home, travel and multi-device workflows. Key Features Ultra-slim 75% compact wireless keyboard. Retro Blue colour variant. Supports 2.4GHz wireless, Bluetooth and USB-C wired modes. 1000Hz polling rate in 2.4GHz and wired modes. Bluetooth 5.2 with multi-device support. ZMK customisation via Keychron Launcher. Up to 8 months wireless working time. Compatible with macOS, iOS, Windows, Android and Linux. Technical Specifications Specification Details Brand Keychron Model B1 Pro Ultra-Slim Wireless Keyboard SKU B1P-K11 Product Type Ultra-Slim Wireless Keyboard Colour Retro Blue Layout ANSI 75% Number of Keys 77 Multimedia Keys 12 Body Material ABS Keycap Material ABS Backlight Non-Backlit Connectivity 2.4GHz Wireless, Bluetooth 5.2 and USB Type-C Wired Polling Rate 1000Hz (2.4GHz and Wired), 90Hz (Bluetooth) Battery 800mAh Rechargeable Li-Polymer Battery Wireless Working Time Up to 8 Months Charging Time Approximately 2.5 Hours Customisation ZMK Customisation via Keychron Launcher Compatible Systems macOS, iOS, Windows, Android and Linux Dimensions 296 × 130 mm Weight 425 g Front Height 5.2 mm Rear Height 14.5 mm Typing Angle 3.2° Applications Office Productivity, Multi-Device Typing, Home Office, Travel, Mac and Windows Workflows The Keychron B1 Pro B1P-K11 delivers slim, lightweight wireless typing with multi-device connectivity, long battery life and flexible customisation for modern productivity setups.