Lenovo 4X31R64478 Keyboard & Mouse Set

Wireless · Full-size · 1600 DPI

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Connection Wireless
Layout Full-size
Max sensitivity 1600 DPI

Lenovo 4X31R64478 Keyboard & Mouse Set is a wireless keyboard and mouse set. One box and one receiver: an easy pick for a new PC or a work desk. It came out in 2025.

Released: 2025-06-28

Specifications

Key specs

Connection: Wireless
Layout: Full-size
Max sensitivity: 1600 DPI
Released: 2025-06-28
Part number: 4X31R64478
EAN / UPC: 0195892116837

Keyboard

Recommended usage: Office
Connectivity technology: Wireless
Device interface: RF Wireless
Keyboard language: Polish
Keyboard form factor: Full-size (100%)
Numeric keypad: Yes
Keyboard keys operating life: 10 million characters
Windows keys: Yes
Copilot key: Yes
Frequency band: 2.4 GHz
Key pitch: 1.91 cm
Security algorithms: 128-bit AES
Certification: CB TUV Mark CE cTUVus FCC IC IMDA WPC BIS SIRIM NBTC-SDOC SDPPI NTC AITI TRC NCC BSMI MSIP VCCI JRF KVALITET ICASA TRA NTRA MOC PTA ICT EQM BOCRA ARCT ETA NCA POTRAZ

Design

Keyboard style: Straight
Adjustable keyboard height: Yes
Product colour: Black
Protection features: Spill resistant
LED indicators: Yes

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Features

Plug and Play: Yes

Power

Power source type: Battery
Keyboard battery type: AAA
Service life of battery: 15 month(s)

Mouse

Mouse included: Yes
Form factor: Ambidextrous
Movement detection technology: Optical
Movement resolution: 1600 DPI
Buttons quantity: 3
Scroll: Yes
Scroll type: Wheel
Scrolling directions: Vertical
Mouse battery type: AA
Mouse battery life: 18 month(s)

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Operating relative humidity (H-H): 20 - 95%

Weight & dimensions

Keyboard dimensions (WxDxH): 422.3 x 134.5 x 21.9 mm
Keyboard weight: 406.5 g
Mouse dimensions (WxDxH): 110.1 x 61.5 x 36.1 mm
Mouse weight: 65.5 g

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About this product

Designed for the modern professional, the Lenovo Essential Wireless Combo Keyboard & Mouse Gen 2 delivers functionality, comfort, and style. The slim 2.5-zone keyboard, with its responsive keys, promotes a premium silent typing experience and improves your working efficiency with specialized Microsoft Copilot Key, while the standard-size mouse perfectly complements its keyboard counterpart in design and utility. The 2.4MHz receiver provides a stable keyboard and mouse connection for maximum reliability. Plus, with 65% post-consumer recycled plastic in its construction, this combo is as sustainable as it is productive. Includes 3-year limited hardware warranty, and global product support. Download driver first to enable hotkey functions.

Datasheet (PDF)

4X31R64478 vs similar keyboard & mouse combos

	Lenovo 4X31R64478 Keyboard & Mouse Set	Lenovo 4X30H56826 Keyboard & Mouse Set	Lenovo 4X31R64327 Keyboard & Mouse Set	Lenovo 4X31R64462 Keyboard & Mouse Set
Connection	Wireless	Wireless	Wireless	Wireless
Layout	Full-size	Full-size	Full-size	Full-size
Max sensitivity	1600 DPI	1600 DPI	1600 DPI	1600 DPI
Released	2025	2026	2025	2025