, : The sculpted ergonomic shape naturally fits your hand and smooth thumb control helps to reduce muscle pain and wrist stiffness. The optimal angle of the trackball mouse allows you to keep your palm in a natural position for all-day comfort.
: To suit different tasks and ensure instant switching between precise or fast tracking modes, the mouse is equipped with 5 adjustable DPI levels. The DPI buttons can be easily switched between 100, 200, 400, 800 and 1200 DPI to allow the cursor to move faster or slower.
&, : The mouse comes with a 1.8m cable, you can directly connect it to your computer via the USB A port, providing you with an ultra-stable wired connection without downloading any drivers. Compatible with Windows, Mac OS, Laptops, Desktops, etc.
: Equipped with a 34mm standard trackball and precise tracking system, just move your thumb to move the cursor and operate, its perfect for tight workspaces and busy desks. Not only work on flat surfaces but also your leg, sofa, bed, carpet and other surfaces as well.
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Overview
Specs
Reviews
Wired Ergonomic Trackball Mouse, 34mm Thumb Control, RGB Lighting | Smooth rollerball precision, sculpted comfort, USB-C & USB-A, plug-and-play, 5 adjustable DPI, Windows & Mac compatible
Learn more about the PORLEI
Model
Brand
PORLEI
Name
PORLEI
Model
TM551
Type
Wired
Details
Interface
USB
Color
Blue
Security Type
RGB Lighting, Lightweight, Ergonomic Design
Hand Orientation
Right Hand
Tracking Method
TrackBall
Sensor
Trackball
Report Rate
RGB Lighting, Lightweight, Ergonomic Design
Buttons
6
Resolution (DPI)
1200 dots_per_inch
Wireless
Power Supply
Corded Electric
OS / System Requirement
Operating System Supported
Windows 2000/ XP; Mac OS X
System Requirement
Wired with USB-A & USB-C
Features
Features
RGB Lighting, Lightweight, Ergonomic Design
Manufacturer Warranty
Parts
??18-Month Limited Warranty: Free Repair/Replacement for Dead Trackballs, Sensors & Switches.??
Labor
??18-Month Limited Warranty: Free Repair/Replacement for Dead Trackballs, Sensors & Switches.??
Details
Windows Vista
Windows, macOS
Additional Information
First Listed on Newegg
September 13, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.