LMP USB Keyboard KB-3421 – Compact Numeric Keyboard with USB Hub for Windows
The LMP KB-3421 is a USB-connected numeric keyboard designed for Windows operating systems. It combines a standard QWERTZ Swiss layout with a full numeric keypad, making it ideal for users who need fast data entry alongside their regular keyboard.
110 Chiclet keys with dedicated numeric keypad for efficient number input
2× USB ports built into the keyboard serve as a convenient hub for peripherals
Hotkeys and media controls provide quick access to common functions without switching applications
Compact silver-and-white design fits seamlessly into any workspace setup
What makes the LMP KB-3421 stand out
The integrated USB hub eliminates the need for a separate hub when connecting a mouse or other USB device. The Chiclet-style keys offer a low-profile, comfortable typing experience, while the full Ziffernblock supports spreadsheet work, accounting, and numeric data entry with precision.
Ideal for...
Office workers, accountants, and anyone who regularly enters numbers alongside standard keyboard tasks. The compact form factor suits desk setups where space is limited but numeric input is essential.
Application of the LMP KB-3421
Plug the keyboard into a USB port on a Windows PC or laptop. The hotkeys and media controls are immediately available. Use the two USB ports to connect a mouse, webcam, or other peripherals directly through the keyboard. The numeric keypad supports fast entry of figures in spreadsheets, accounting software, or any application requiring number input.
LMP is a Swiss brand specialising in computer peripherals and input devices. The brand focuses on practical, no-frills accessories for office and home computing environments. LMP products are distributed through Alltron and are known for straightforward functionality at accessible price points. The KB-3421 reflects the brand's emphasis on compact, functional keyboard designs with integrated connectivity.
The LMP KB-3421 is a numeric USB keyboard for Windows PCs. It is designed for users who need a dedicated numeric keypad alongside standard keyboard functions, such as for data entry, accounting, or spreadsheet work.
The LMP KB-3421 is designed for Windows operating systems. Compatibility with Mac or Linux is not specified by the manufacturer and cannot be guaranteed.
110 Chiclet keys, QWERTZ Swiss layout, integrated numeric keypad, 2× USB ports, hotkeys, media controls, silver colour, weight 0.627 kg.
The delivery includes one LMP KB-3421 USB keyboard. No additional cables or accessories are listed in the manufacturer's specifications.
The LMP KB-3421 comes with a 24-month manufacturer's warranty, providing long-term coverage for defects in materials and workmanship.
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