Wireless keyboard and mouse set Lenovo 4X31R64453 — compact layout, USB wireless receiver

Lenovo 4X31R64453 is a wireless keyboard and mouse set designed to provide a compact, cable-free input solution for desktops and laptops. The set includes a compact-layout keyboard and an optical wireless mouse that connect through a single USB wireless receiver. It is intended for everyday office tasks, web browsing and general home use, offering a small footprint keyboard and a straightforward plug-and-play setup to keep a tidy workspace.

Advantages

The compact keyboard saves desk space and reduces hand travel compared with a full-size keyboard, while the wireless connection eliminates cable clutter. The included USB wireless receiver provides a stable connection without pairing complexity, and the optical mouse offers precise cursor control suitable for standard productivity tasks. The set is lightweight and portable, making it easy to move between workstations or use with a laptop.

Suitable for

• Everyday office work and document editing
• Web browsing and email
• Home computing and study
• Portable use with laptops and compact workspaces

Key specifications

• Connection: USB wireless receiver (single nano receiver)
• Keyboard layout: compact layout with standard keys
• Mouse type: optical mouse
• Compatibility: compatible with common desktop and laptop operating systems supporting USB HID
• Power source: battery powered for both keyboard and mouse
• Form factor: low-profile compact keyboard and full-size regular mouse shape

How to use

Insert batteries into the keyboard and mouse, then plug the USB wireless receiver into an available USB port on your computer. The devices will typically be recognized automatically by the operating system as standard keyboard and mouse input devices; no additional drivers are required for basic functionality. Position the keyboard and mouse on a flat surface and adjust the mouse sensitivity in your system settings if needed for preferred cursor speed.

Recommendations

Place the USB receiver in a port with a clear line of sight to the keyboard and mouse to maintain a reliable wireless connection. Replace batteries when responsiveness decreases and avoid exposing the devices to liquids or extreme temperatures. For portable setups, store the USB receiver inside the keyboard or mouse (if the product provides a storage slot) or secure it in a carry case to prevent loss.