The Gembird Slim Pro Business KB-WPS-03-CYRL is a dual-mode wireless keyboard designed for versatile professional use across different operating systems. You can connect it to your devices using either Bluetooth 5.0 or a 2.4GHz wireless receiver, providing a stable connection within a range of up to 10 meters. It is compatible with Windows, macOS, Android, and iOS, making it a practical choice for those who switch between a laptop, tablet, or smartphone during their workday. This keyboard features a slim, black chassis measuring 434 by 116 millimeters and weighing 510 grams, which allows it to fit easily into a bag for transport. The low-profile chocolate keys offer a tactile typing experience while maintaining a thin 17 mm height. Power is supplied by a built-in 300 mAh rechargeable Li-ion battery, which you can conveniently top up via the USB-C charging port.