Wireless Keyboard and Mouse Set Lenovo 4X31R64354 Bluetooth Grey

Lenovo Wireless Keyboard and Mouse Set 4X31R64354 in grey is a compact Bluetooth keyboard and wireless mouse bundle designed for desktop and laptop use. The set offers cable-free connectivity and a space-saving layout to support everyday office, home and travel tasks. The mouse features multi-function controls including DPI and multi-device switching, while the keyboard uses a Lithuanian layout and does not have backlighting.

Advantages

The set provides Bluetooth wireless connectivity for easy pairing with compatible devices and reduces cable clutter. The mouse includes eight buttons and a 4-way scroll wheel for versatile navigation and quick DPI adjustment. Lightweight construction and a compact keyboard form factor save desk space and make the bundle convenient to carry. A three-year (36 month) warranty covers product reliability.

Suitable for

• Everyday office work with desktop or laptop computers
• Home use for browsing, email and basic productivity
• Travel and remote work where compact peripherals are needed
• Multi-device setups that require Bluetooth switching

Key specifications

• Brand: Lenovo
• Model / MPN: 4X31R64354
• Type: Keyboard and Mouse Set
• Connectivity: Wireless, Bluetooth
• Keyboard layout: Lithuanian
• Keyboard backlit: No
• Mouse buttons: 8 (including DPI, forward/back, multi-device switch, scroll-wheel with middle click and tilt)
• Mouse scroll: 4-way (up, down, left, right)
• Colour: Grey
• Net weight: 0.586 kg
• Gross weight: 0.885 kg
• Packing quantity: 1 pc
• Packaging materials: Paper/pasteboard 250 g, Plastic (no PET) 49 g
• Embedded battery: No
• WEEE tax: Yes (WEE classification CL109:6:2017-04-01)
• Warranty: 36 months

How to use

Power on the mouse using its power switch and enable Bluetooth on your computer or device. Put the mouse and keyboard into pairing mode as described in the device manual, then select each device from the Bluetooth settings on the computer to complete pairing. Use the DPI button on the mouse to change sensitivity and the multi-device switch to toggle between paired devices. The 4-way scroll wheel supports horizontal and vertical navigation; press the scroll-wheel for middle-click actions.

Recommendations

For reliable Bluetooth performance, keep the host device’s Bluetooth drivers up to date and avoid placing large metal objects between the peripherals and the host. If the mouse or keyboard becomes unresponsive, re-pair the device or replace batteries per the manufacturer instructions.