Wired USB multimedia office keyboard A4Tech FK20 — membrane, CZ/US layout, grey

A4Tech FK20 is a wired USB membrane multimedia office keyboard designed for reliable everyday use. The keyboard comes in a grey finish and supports CZ and US (EN) layouts, providing standard key placement for typing and data entry. Integrated multimedia keys allow quick control of audio and media playback while the wired USB connection ensures stable communication with Windows systems and other compatible devices.

Advantages

The membrane key mechanism delivers a familiar tactile feel with quiet operation suitable for shared workspaces. Integrated multimedia controls enable instant access to volume and playback functions without switching applications. The wired USB interface provides plug-and-play setup and a consistent connection without the need for batteries or wireless pairing. The grey finish is resistant to visible wear and fits into a variety of office environments.

Suitable for

• Everyday office typing and document processing
• Data entry and clerical tasks
• Multimedia control during presentations or meetings
• Workstations requiring a stable wired connection

Key specifications

• Connection: wired USB plug-and-play
• Key mechanism: membrane
• Layouts supported: CZ (Czech) and US (English)
• Multimedia keys: integrated controls for audio and media playback
• Color: grey
• Compatibility: Windows operating systems and devices supporting standard USB keyboards

How to use

Connect the keyboard to an available USB port on your computer; the system should recognize it automatically and install any required drivers. Use the standard keys for typing and navigation. Press the multimedia keys to adjust volume, mute sound, or control playback as marked on the keycaps. For layout switching between CZ and US, configure the input languages in your operating system settings if necessary.

Usage recommendations

Position the keyboard on a flat, stable surface and maintain a comfortable typing posture to reduce strain. Keep the USB connector free from dust and avoid excessive bending of the cable to preserve connection reliability. If keys become sticky or dirty, power down the computer and clean the keytops gently with a slightly damp, lint-free cloth.