The Keychron B1 Pro Ultra-Slim 75% Wireless Keyboard in Space Grey is a portable and lightweight keyboard for multitasking across various devices. It is suitable for professionals and users who need reliable multi-device support, offering 2.4GHz, Bluetooth, and wired connectivity options.

• Connects up to four devices (three Bluetooth, one 2.4GHz dongle) for use with phones, tablets, PCs, and Macs.
• Features a 1000 Hz polling rate on 2.4 GHz and wired connections, with 90 Hz for Bluetooth.
• Offers up to 8 months of battery life from an 800 mAh rechargeable li-polymer battery, with a charging time of approximately 2.5 hours.
• Designed with 77 keys (75% layout), 12 multimedia keys, and a 3.2-degree typing angle.
• Constructed with an ABS frame and ABS concave keycaps, measuring 29.6 x 13 x 0.5~1.5 cm and weighing 425g.
• Compatible with macOS, Windows, and Linux operating systems, featuring a Mac layout that also supports Windows functions.

This keyboard is ideal for users who require a versatile and comfortable typing experience across multiple platforms, whether for work or general use. It includes a silicone key skin for added protection.