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Lenovo 4XH1D20851 input device accessory USB receiver [DE-Version, German Keyboard]
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28,29 EUR
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Hardware/ Electronic
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Sales Rank: #62 in PC Adapters
#4079 in Computer
Style: PC Adapters
Product No.: 2100943623

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Lenovo 4XH1D20851 input device accessory USB receiver
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Item number21009436232097545184209878917621009060942101343064
On offer since16.07.202328.06.201607.12.201826.05.202306.02.2025
Price28,29 EUR31,49 EUR64,99 EUR33,89 EUR7,19 EUR
Weight1.57 g85 g448 g0.06kg6 g
ManufacturerLENOVOD-linkTechlyClub 3dSchwaiger
CategoryHardware/ElectronicHardware/ElectronicHardware/ElectronicAdapter/CableAdapter/Cable
Product colourBlack Black Black Black Black

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Description:

Description:Kurzinfo: Lenovo Unified Pairing - Wireless Maus- / Tastaturempfänger - USB - Schwarz Gruppe Eingabe Adapter Hersteller Lenovo Hersteller Art. Nr. 4XH1D20851 Modell Unified Pairing EAN/UPC 0195892016823 Produktbeschreibung: Lenovo Unified Pairing - Wireless Maus- / Tastaturempfänger - USB Gerätetyp Wireless Maus- / Tastaturempfänger Schnittstellen Typ USB Abmessungen (Breite x Tiefe x Höhe) 1.84 cm x 1.23 cm x 0.45 cm Gewicht 15.7 g Farbe Schwarz Erforderliches Betriebssystem Windows 10, Windows 11 Ausführliche Details Allgemein Gerätetyp Wireless Maus- / Tastaturempfänger Schnittstellen Typ USB Breite 1.84 cm Tiefe 1.23 cm Höhe 0.45 cm Gewicht 15.7 g Farbe Schwarz Erweiterung/Konnektivität Verbindungen 1 x USB - 4-polig USB Typ A Verschiedenes Gerätefunktionen Unified Pairing-Taste, bis zu 8 kompatible Geräte Kennzeichnung VCCI, CB, IC, MIC, FCC, KCC, ANATEL, NCC, ICASA, TRA, Subtel, ANCE, NTC, IFTEL, SIRIM, CNC, IMDA, JRF, NBTC, CITRA, ANRT, CERT, TRC, DWLF&M, SDDPI, CRA, AFTIC Verpackungsdetails
The Lenovo Unified Pairing Wireless Mouse and Keyboard Receiver is a compact USB dongle designed to connect multiple Lenovo wireless input devices via a single receiver. With its understated black design and minimal footprint, it can remain permanently plugged into a notebook or desktop PC without obstructing neighboring USB ports. The receiver forms the central interface between your Lenovo wireless mouse and keyboard and your computer, helping to reduce cable clutter and simplifying your workspace. Thanks to standardized USB-A connectivity, it is compatible with the vast majority of PCs and laptops that offer a conventional USB port and support standard USB HID (Human Interface Device) peripherals.

From a technical perspective, the Unified Pairing receiver is optimized to work with selected Lenovo wireless mice and keyboards that support Lenovo's unified wireless technology. One receiver can typically be paired with multiple compatible devices, avoiding the need for a separate dongle for each peripheral. This leads to a tidier setup and frees USB ports for other accessories. The wireless connection is usually implemented via a 2.4 GHz radio link designed to offer a stable, low-latency connection for everyday office tasks, web browsing, document editing, and light creative work. The black housing aligns visually with many Lenovo systems and peripherals, providing a cohesive aesthetic across Think-branded and other Lenovo product lines.

In everyday use, the Unified Pairing receiver is ideal for office environments, home offices, educational institutions, and mobile professionals who frequently switch between workstations. Instead of repeatedly connecting and disconnecting different receivers, you can keep this single adapter with your primary device and carry only your mouse and keyboard. It is particularly useful when using a laptop in a docking environment: the receiver can remain connected to the dock, and the wireless peripherals are immediately available when you dock your notebook. The plug-and-play functionality - typically not requiring additional drivers on current operating systems - facilitates rapid deployment in IT-managed environments and reduces support overhead.

The main benefits of this product include a reduced number of USB receivers, which lowers the risk of dongles being lost or mixed up, as well as fewer sources of interference on the desk. A single, unified solution makes hardware asset management easier for IT departments and provides end users with a clean, organized workstation. For frequent travelers, the small and robust design of the receiver means it can be left permanently in the notebook without significantly increasing the device's dimensions. By consolidating multiple peripherals into one receiver, you also indirectly contribute to reduced material usage compared to owning and using several separate receivers.

Lenovo, as the manufacturer, is a globally established provider of PCs, notebooks, workstations, servers and accessories, known in the professional segment particularly for its ThinkPad and ThinkCentre product families. The company has communicated various sustainability and environmental initiatives over the years, including efforts to increase energy efficiency in its products, integrate recycled materials where appropriate, and optimize packaging to use fewer resources and improve recyclability. Lenovo also publishes sustainability reports that document its progress in areas such as emissions, resource efficiency, and responsible supply chain management. By choosing an accessory from a manufacturer that publicly addresses environmental and social responsibility, customers can align their purchasing decisions with their own values and support companies that invest in more sustainable practices. The use of a unified receiver that can serve several devices can also help reduce the volume of electronic accessories needed over time, which is a small but tangible contribution toward avoiding unnecessary electronic waste.
Manufacturer No.: 4XH1D20851
Product Safety

Technical specifications

Language

Packaging content

Quantity per pack1 pc(s)

Features

Wi-Fi bandSingle-band (2.4 GHz)
Product typeUSB receiver
Product colourBlack
InterfaceWi-Fi
Device typeMouse / Keyboard
Connectivity technologyWireless
CompatibilitySupported PC with USB-A port
Brand compatibilityLenovo

Packaging data

Package width127 mm
Package weight31.6 g
Package typeBlister
Package height15 mm
Package depth89 mm

Weight & dimensions

Width18.4 mm
Weight1.57 g
Height4.5 mm
Depth12.3 mm

Operational conditions

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

Technical details

Maximum weight capacity1.57 kg

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