A4Tech FM50S Plus 4000 DPI Optical Mouse

Up to 4000 DPI Optical Sensor

The A4Tech FM50 Plus / FM50S Plus features a high-precision optical sensor with five adjustable DPI levels: 1000, 1200, 1600, 2000, and 3200 DPI, with up to 4000 DPI available through software for more precise cursor control.

Adjustable 1000Hz Report Rate

The mouse supports four selectable report rates—125Hz, 250Hz, 500Hz, and 1000Hz—allowing users to choose the response rate best suited to gaming and everyday computing.

256K Onboard Memory

The built-in 256K onboard memory stores customized mouse settings directly on the mouse, allowing users to carry their configurations to another computer.

4-Way Smart Wheel

The 4-way smart wheel supports convenient scrolling and navigation, making it useful for documents, webpages, spreadsheets, and other everyday applications.

Double-Click Function

A dedicated F key provides a double-click function designed to improve office efficiency and provide quick access to frequently used actions.

2 Thumb Side Buttons

The two thumb-side buttons are preset for Back and Forward functions and can be customized using the Mouse Master Editing Software.

Symmetric Design

The symmetric design provides a comfortable fit for both right- and left-handed users, making the mouse suitable for a wider range of users.

Silent Clicks — FM50S Plus

The FM50S Plus features Silent Click technology that reduces clicking noise, making it suitable for offices, libraries, shared workspaces, and quiet environments.

5 Million Click Lifecycle

The mouse buttons are rated for a 5 million-click lifecycle, providing reliable durability for everyday use.

Mouse Master Editing Software

The FM50 Plus / FM50S Plus supports Mouse Master Editing Software, providing customizable functions for multimedia, office, and gaming applications.