The A4Tech FBK25 from the FStyler line is a wireless keyboard designed for those who move between different screens throughout the day. It offers flexible connectivity by supporting both Bluetooth and 2.4 GHz wireless modes, allowing you to pair it with up to four devices simultaneously—three via Bluetooth and one using the included nano USB receiver. This makes it easy to switch your typing focus between a laptop, tablet, or smartphone within a range of 10 meters. Its physical design features ultra-slim chocolate switch type keycaps that mimic a laptop feel, which is complemented by laser-engraved markings for long-term durability. To help you organize your workspace, the frame includes an integrated cradle that securely holds smartphones up to 6.8 inches. You can also personalize the look of your desk using three interchangeable colored panels included in the box. For added convenience, twelve multimedia functions are accessible via the FN key, and a dedicated lock for this mode is available through the FN + ESC combination. Because it is compatible with Windows, Android, Mac, iOS, and Chrome OS, this keyboard suits users who rely on multiple operating systems. It runs on a single AA battery that provides approximately 650 hours of use, which can last up to a year depending on your habits. The package also comes with a USB extension cable to ensure the receiver is positioned for the best possible signal.