Lenovo 4X31N50728 Keyboard & Mouse Set

Wireless · Full-size · 1600 DPI

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Connection Wireless
Layout Full-size
Max sensitivity 1600 DPI

Lenovo 4X31N50728 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: 2025-02-21

Specifications

Key specs

Connection: Wireless
Layout: Full-size
Max sensitivity: 1600 DPI
Released: 2025-02-21
Part number: 4X31N50731

Keyboard

Recommended usage: Universal
Connectivity technology: Wireless
Device interface: RF Wireless
Keyboard form factor: Full-size (100%)
Numeric keypad: Yes
Keyboard keys operating life: 1000000 million characters
Key travel distance: 1.91 cm
Certification: CB, March TUV, CE, cTUVus, FCC, IC, IMDA, WPC, BIS, SIRIM, NBTC-SDOC, SDPPI, NTC, AITI, TRC, NCC, BSMI, MSIP, VCCI, JRF, QUALITY, ICASA, TRA, NTRA , MOC, PTA, ICT, EQM, BOCRA, ARCT, ETA, NCA, POTRAZ, ecc.

Design

Product colour: Black

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Power

Power source type: Battery
Keyboard battery type: AAA
Number of batteries (keyboard): 1
Service life of battery: 15 month(s)

Mouse

Mouse included: Yes
Movement detection technology: Optical
Movement resolution: 1600 DPI
Buttons quantity: 3
Buttons type: Pressed buttons
Scroll: Yes
Scroll type: Wheel
Mouse battery type: AA
Mouse battery life: 18 month(s)
Buttons durability (million clicks): 3000000

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

Other features

Warranty period: 3 year(s)

Check the manufacturer's page before buying.

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About this product

This sleek and stylish keyboard and mouse increase productivity while providing wireless convenience. The slim 2.5 zone keyboard has a responsive key feeling and premium typing experience. The standard size mouse compliments the keyboard in design and functionality. Connect compatible Lenovo devices with just 1 nano receiver. 65% post-consumer recycled plastic for both keyboard and mouse. Includes 3-year limited hardware warranty, global product support.

4X31N50728 vs similar keyboard & mouse combos

	Lenovo 4X31N50728 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