Wired USB membrane keyboard A4Tech FK12 with CZ/US layout and multimedia keys, black

The A4Tech FK12 is a wired USB membrane keyboard with a CZ/US (Czech/English) layout, designed for everyday typing, office work and multimedia control. It connects via a standard USB interface and provides a conventional membrane key action with dedicated multimedia keys for volume and playback control. The keyboard’s compact full-size layout and familiar key spacing make it suitable for users who need a straightforward, no-frills input device compatible with common desktop and laptop setups.

Advantages

The FK12 delivers a predictable membrane typing feel with low maintenance requirements and plug-and-play USB connectivity. Built-in multimedia keys allow quick adjustments to audio playback and volume without switching applications. Its dual CZ/US key legend accommodates Czech and English layouts on the same keycaps, simplifying typing in both languages. The keyboard’s durable plastic construction and flat profile support extended everyday use in office and home environments.

Suitable for

• Office typing and data entry
• Home desktop or laptop use
• Multimedia control during playback and video calls
• Users who need CZ and US key legends on one keyboard

Key specifications

• Connection: Wired USB plug-and-play
• Key type: Membrane
• Layout: Dual CZ/US key legends
• Multimedia: Dedicated keys for volume and playback control
• Color: Black
• Form factor: Full-size with compact profile

How to use

Plug the USB connector into an available USB port on your computer; the operating system should recognize the device automatically. Use the primary alphanumeric keys for typing; switch between Czech and English input methods through your operating system’s language settings if needed. Control volume and media playback using the dedicated multimedia keys without opening media applications. For stable placement, set the keyboard on a flat surface and adjust wrist position to maintain comfort during prolonged typing sessions.

Usage recommendations

To preserve keycap legend visibility and ensure reliable operation, avoid exposing the keyboard to liquids and clean it periodically with a dry cloth. Configure your operating system’s keyboard layout settings to match the CZ or US mapping as required, and consider using a desk mat to reduce wear from desk surfaces.