Mouse Dell Wired 2-button USB Mouse CJ339

The Dell Wired 2-button USB mouse CJ339 is a compact, corded optical mouse designed for everyday computing tasks. It offers straightforward plug-and-play connectivity via USB and a simple two-button layout with a scroll wheel, providing reliable point-and-click control for desktop and laptop systems. The mouse combines a small footprint with an ergonomic profile to support extended use while remaining easy to carry between workspaces.

Advantages

This wired mouse features a precise optical sensor for accurate tracking on most office surfaces and a durable mechanical design built for frequent use. Its USB connection eliminates the need for batteries and pairing, ensuring instant operation after connection. The low-profile shape and textured sides promote a comfortable grip during prolonged use, and the compact dimensions make it convenient for storage and travel.

Suitable for

• Everyday office work and general web browsing
• Home computing and remote work setups
• Education — classroom and student use
• Portable use with laptops and docking stations

Key specifications

• Connection: Wired USB plug-and-play
• Buttons: Two primary buttons plus scroll wheel
• Sensor type: Optical tracking for accurate cursor control
• Design: Compact, low-profile ergonomic shape with textured grip
• Compatibility: Works with common desktop and laptop operating systems supporting USB mice

How to use

Plug the mouse into an available USB port on your computer; the operating system will typically recognize it automatically without additional drivers. Place the mouse on a stable, flat surface or a mouse pad for optimal tracking. Use the left and right buttons for primary and secondary clicks and the scroll wheel to navigate long documents or web pages. For prolonged comfort, adjust your forearm and wrist position to maintain a neutral posture.

Recommendations

To maintain accurate tracking, clean the optical sensor and the mouse feet periodically with a dry, lint-free cloth. Avoid using the mouse on highly reflective or uneven surfaces; a standard mouse pad improves responsiveness. Disconnect the USB cable gently when transporting the mouse to reduce strain on the connector.