The Lenovo 120 Wired Mouse (Part Number: 4Y51M70368) is engineered specifically to deliver a plug-and-play desktop navigation solution built on strict manufacturing standards. Designed to answer the call of high-volume workstation deployments, this full-size wired optical mouse delivers a balance of anatomical support, immediate responsiveness, pointer accuracy, and robust physical build quality.
Navigating extensive spreadsheet workbooks, executing multi-tab browser research, editing business documentation, and interacting with specialized enterprise software requires smooth pointer movement. The Lenovo 120 Wired Mouse eliminates the vulnerabilities of battery drain, signal interference, and lost USB dongles by establishing a direct, permanent hardware link through its integrated 1.5-meter USB-A cable. Its lightweight profile ($90\text{g} \pm 10\text{g}$) enables smooth gliding across standard desktop surfaces, making it an ideal choice for stationary workstations, reception desks, IT infrastructure racks, and shared office environments where hardware longevity is paramount.
By doing away with driver installations, software configurations, and pairing cycles, Lenovo offers true hardware universality. Connecting the standard USB-A interface to any available desktop, laptop, dock, or thin-client port instantly initializes the Human Interface Device (HID) drivers inherent to modern operating systems. Users can plug the peripheral in and begin working within seconds without elevated system permissions or software updates.
Anatomical Comfort and Structural Durability
User comfort is a top requirement when specifying desktop peripherals for extended computer work sessions. The Lenovo 120 Wired Mouse features a full-sized, sculpted external silhouette contoured to rest within the human palm. Unlike compact travel mice that force users into tight claw-grip postures, the full-size dimensions ($115\text{ mm length} \times 61\text{ mm depth} \times 37\text{ mm height}$) provide structural palm support across various hand sizes. This anatomical profiling distributes resting pressure evenly across the hand, reducing strain on the wrist during consecutive hours of data input.
The symmetrical layout provides equal access to all primary click surfaces for both right-handed and left-handed users without requiring digital button-swapping software or custom hardware versions. The matte black surface texture delivers a subtle grip that repels fingerprint oils, sweat buildup, and surface friction during fast mouse movements. Weighing just 90 grams, the body remains light enough for effortless gliding while retaining sufficient mass for grounded control.
Underneath its smooth shell, the Lenovo 120 is built to withstand heavy daily operational demands. Office input devices endure hundreds of thousands of actuation cycles per year; therefore, Lenovo equips this model with heavy-duty mechanical micro-switches designed to maintain crisp tactile response over time:
Left and Right Primary Buttons: Rated for up to 3,000,000 actuation cycles each, ensuring tactile click engagement over years of active use.
Middle Click / Scroll Wheel Encoder: Rated for up to 300,000 actuation cycles, delivering reliable click functionality when opening browser links, panning documents, or utilizing shortcut commands in design tools.
Strain-Relieved Cable Joint: Reinforced at the connection point on the mouse chassis to resist flexing, pulling, and bending wear caused by daily cable positioning.
1600 DPI Optical Tracking Engine and Direct USB Connectivity
Inside the Lenovo 120 Wired Optical Mouse lies a high-resolution LED optical sensor operating at 1600 DPI (Dots Per Inch) . Compared to standard entry-level 800 DPI or 1000 DPI mice, a 1600 DPI optical engine offers noticeable gains in cursor speed and tracking accuracy. This sensitivity level allows users to move across high-resolution displays (such as 1080p, 2K, and 4K monitors) with minimal hand displacement, reducing arm movements and fatigue over long workdays.
The integrated LED optical sensor tracks subtle microscopic surface details, giving it reliable tracking capabilities across common workspace surfaces. Whether operated on laminate desks, composite office tables, paper pads, or traditional cloth mouse mats, the optical sensor ensures uniform cursor movement without pointer stuttering or missed inputs.
The integrated 1.5-meter USB-A cable delivers immediate bus-powered operation (5V, 0.2A) directly from the host PC. This wired topology delivers key technical benefits for both individual users and enterprise fleets:
Zero Input Latency: Direct copper connection guarantees instantaneous signal transmission for precise selection work.
Zero Signal Interference: Completely immune to 2.4GHz Wi-Fi congestion, Bluetooth overlap, or physical obstruction in dense open-plan offices.
No Downtime or Power Management: Continuous host bus power means no dead batteries, charging cables, or unexpected low-power cutoffs mid-task.
Enhanced Hardware Security: Ideal for high-security corporate, governmental, and financial installations where wireless radio transmissions are prohibited or restricted.
Because the unit adheres strictly to universal USB HID specifications, it provides plug-and-play support across Microsoft Windows 11, Windows 10, Linux distributions, and ChromeOS desktop environments equipped with an available USB-A port.
Low TCO and IT Deployment Readiness
For fleet managers, IT procurement teams, and educational institutions, selecting peripheral hardware involves evaluating Total Cost of Ownership (TCO), standardization, and deployment efficiency. The Lenovo 120 Wired Mouse offers a cost-effective solution that reduces hardware troubleshooting calls for enterprise helpdesks.
Simplified Asset Management
Wireless peripherals often lead to misplaced USB dongles, battery depletion complaints, and pairing issues in shared workspaces. The tethered USB design of the Lenovo 120 simplifies inventory control and keeps workstation peripherals intact in university labs, call centers, and shared office desks.
Smooth Tactile Scroll Wheel
The integrated 2-way scroll wheel offers precise, silent vertical scrolling through long documents, spreadsheets, and web pages. Engineered tactile step detents provide clear finger feedback during line-by-line navigation, helping users avoid accidental over-scrolling when reviewing data logs or code repositories.
Package Contents and Unboxing Experience
The Lenovo 120 Wired Optical Mouse (Model: 4Y51M70368) arrives in protective retail packaging engineered to shield the optical module and internal cabling during logistics transit.
Unboxing the unit reveals:
Lenovo 120 Wired Optical Mouse (Black) with integrated 1.5m USB-A Cable
Warranty Information and Compliance Document
Quick Setup Guide
Every unit passes Lenovo's hardware quality tests for signal fidelity, button spring resistance, cable strain tolerance, and drop resistance. The mouse includes dealer and retailer warranty coverage backed by Lenovo's worldwide service support.
Technical Specifications
Product Brand: Lenovo
Model Name: Lenovo 120 Wired Mouse
Part Number (PN): 4Y51M70368 / GY51L52636
Connectivity Type: Wired via Integrated USB-A Cable
Cable Length: 1.5 Meters
Sensor Engine: High-Precision LED Optical Sensor
Sensor Resolution: 1600 DPI
Button Count: 3 Buttons (Left Click, Right Click, Scroll Wheel / Middle Click)
Primary Button Lifespan: Up to 3,000,000 Click Cycles (Left/Right)
Scroll Encoder Lifespan: Up to 300,000 Click Cycles
Scrolling Function: 2-Way Vertical Scroll Wheel (Up/Down)
Operating Power Requirement: 5V DC, 0.2A Bus Power
Supported Operating Systems: Windows 11, Windows 10
Design Form Factor: Ambidextrous Ergonomic Full-Size Design
Color Finish: Matte Black
Physical Dimensions (L x D x H): 115 mm $\times$ 61 mm $\times$ 37 mm
Product Weight: 90g $\pm$ 10g
Packed Dimensions (L x D x H): 125 mm $\times$ 82 mm $\times$ 38 mm
Packed Weight: 110g $\pm$ 10g
Operating Temperature: 0°C to 40°C (32°F to 104°F)
Operating Relative Humidity: 20% to 95% RH
Warranty: 1-Year Local Retailer / Dealer Warranty
