Keychron B4 Pro Ultra-Slim Wireless Keyboard - Ivory White

The Keychron B4 Pro is a lightweight, ultra-thin and 96% layout wireless keyboard with a 300-hour long battery life. It supports 2.4GHz wireless, Bluetooth, and wired modes, easily connecting to phones, tablets, PCs, and Macs. With Launcher customization, it offers tailored settings for home, office, or travel.

300 Hours of Use on A Single Charge:
Don't wait for a full charge—operate it even while charging and enjoy uninterrupted usage with an impressive continuous battery life of up to 300 hours, approximately 2 months with 5 hours of daily use. This ensures you can rely on your device for extended periods without the need for frequent recharging.

2.4 GHz & Bluetooth Connection:
Enjoy excellent performance with the B4 Pro's 2.4 GHz wireless connection, featuring a swift 1000 Hz polling rate for a cable-free and tidy setup. Effortlessly switch between devices using Bluetooth 5.2, enabling smooth multitasking.

Program B4 Pro with Keychron Launcher:
Unlock limitless customization with Keychron Launcher web app, enabling easy key remapping, macros, shortcuts, and more.

Suitable For All Devices:
Offers a Mac layout while remaining compatible with Windows. It stands out in the market by providing the same multimedia and function key functions as Apple keyboards for Mac users, but with enhanced tactile feedback.

Plug-and-Play Receiver:
For a better 2.4 GHz wireless experience, the B4 Pro comes with Type-A receiver. Enjoy the quick plug-and-play time. Or, put them away in the keyboard magnetic storage slot at the top left corner.

Quickly Access Emojis:
Use 'fn' + 'shift' to effortlessly bring up emojis while typing, allowing you to quickly and easily express your emotions instantly. This shortcut makes it convenient to add a personal touch to your messages.

Ergonomic Support:
With a tilt angle of 2.9 degrees and an ultra-thin integrated body of 9.6mm thickness, it provides stability while typing, preventing wobbling and reducing fatigue even during long typing sessions.

Specification:

• Number of Keys: 100 (96%)
• Number of Multimedia Keys: 12
• Body Material: ABS
• Keycap Material: ABS
• Layout: ANSI
• Polling Rate: 1000 Hz (2.4 GHz & Wired) / 90 Hz (Bluetooth)
• Backlight: Non-Backlit
• NKRO Support: No

Connectivity and Power:

• Battery: 800 mAh rechargeable li-polymer battery (Nominal Charge Current: 3.7V)
• Wireless Working Time: Up to 300 hours (Lab test result may vary by actual use)
• Charging Time: Around 2.5 hours
• Connection: 2.4 GHz / BT / Type-C Wired
• Bluetooth version: 5.2
• Bluetooth Device Name: Keychron B4 Pro
• Compatible System: macOS, iOS, Windows, Android, Linux

Physical Unit:

• Dimension: 376.8 x 118.9 mm
• Weight: 495 g
• Height (front): 9.6 mm
• Height (rear): 14.2 mm
• Typing Angle: 2.9º
• MCU: TLSR8258
• Operating Environment: -10 to 50℃

• 1x Keyboard
• 1x Type-C Cable
• 1x Type-A to Type-C Adapter
• 1x Type-A 2.4GHz Receiver
• 1x Silicone Skin