Expert Features

• 1200 DPI Optical Tracking : Delivers smooth, accurate cursor movement for office work, browsing, studying, spreadsheets, and everyday desktop control—even across a wide range of surfaces.
• Dedicated 2X Button : Opens files and programs with one press instead of a traditional double-click, saving clicks and speeding up repetitive desktop work without requiring a driver for the basic function.
• Four-Way Scroll Wheel : Supports both horizontal and vertical scrolling, making wide spreadsheets, documents, timelines, and web pages much easier to navigate.
• Dust-Resistant Wheel Design : Helps protect the scroll mechanism from dust buildup, supporting smoother scrolling and a longer operational lifespan.
• Over Five-Million-Click Durability : Built with durable buttons rated for more than five million clicks, so this office mouse is ready for serious daily punishment—not just decorative desk duty.
• Reliable Wired USB Connection : Connects directly through USB for stable, battery-free operation with no wireless pairing, receiver management, charging, or random connection drama.
• 150cm Cable Length : Provides practical reach for desktop towers, laptops, office desks, and under-desk PC installations without forcing the mouse to live beside the USB port.
• Symmetrical Ergonomic Shape : The contoured, balanced design provides comfortable control for everyday use and accommodates different grip preferences.
• Four-Button Productivity Layout : Combines standard mouse controls with the dedicated 2X button for a clean setup that remains simple while adding a useful productivity shortcut.
• Plug-and-Play Setup : Works through a compatible USB connection without complicated installation, making it easy to deploy across home, school, shop-counter, and office computers.
• Screen-Capture Function Support : Includes A4Tech screen-capture functionality for quickly collecting on-screen content when used with the applicable A4Tech driver or software.
• Standard-Click OP-620D Version : This content applies exclusively to the OP-620D Black; the silent-click feature belongs to the separate OP-620DS model and is not claimed here.

Expert Specs