from $47.99
The Kensington Pro Fit Ergo TB550 Trackball Mouse is a right-handed computer mouse designed for comfortable and precise navigation. It features a black plastic and rubber construction with seven programmable buttons and an optical sensor, offering adjustable DPI settings from 400 to 1600. Connectivity options include both Bluetooth LE and 2.4 GHz wireless via a USB-A host connection, powered by a single AA battery providing up to 18 months of life. This trackball mouse is compatible with Chrome OS, Mac, Windows, and iPadOS, making it a versatile choice for various computing environments.
Ergonomics and hand size are the most important factors. Gamers need high polling rates; office workers need comfort. Available from $47.99.
Mice are low-cost peripherals. The only ongoing cost is replacing AA batteries or eventual device replacement.
Common Failure Modes
Switch wear leads to double-clicking issues. Scroll wheels can break or become erratic due to dust.
Ergonomics and hand size are the most important factors. Gamers need high polling rates; office workers need comfort.
Computer mice are highly durable. They usually fail when the internal microswitches start 'double-clicking' or when a wireless battery degrades.
The Kensington Pro Fit Ergo TB550 Trackball Mouse is available at bhphoto, starting at $47.99.
Mice are low-cost peripherals. The only ongoing cost is replacing AA batteries or eventual device replacement.
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