VerdictAI
#3 in Best Trackball Mice

Kensington Expert Wireless Trackball Mouse (K72359WW) Black, 3.5" x 6.1" x 8"

Best for

Best large-ball / finger-operated

Amazon rating

★★★★★4.2(5,333)

Amazon aggregate, one input among many in the Verdict Score

Verdict scoreGood
76/ 100

Current price

$90.35

Check Price

Updated Jun 27, 2026 · 1 min read

Kensington Expert Wireless Trackball Mouse (K72359WW) Black, 3.5" x 6.1" x 8"

The consensus

What reviewers found

Synthesized across the trust-weighted source mix below.

The Kensington Expert is the long-standing pick for shoppers who want a large, centered ball operated with the fingers rather than the thumb, paired with a scroll ring and a detachable wrist rest. Verified-purchase reviewers give it a 4.2 average across more than 5,300 ratings, a sizable pool that points to a durable, established design with a more polarizing fit than the smaller thumb trackballs. No independent lab or specialist-community signals were attached to this specific listing in our data, so its standing here rests on that broad retailer rating and its clearly differentiated finger-operated form factor.

What reviewers liked

  • Large centered ball suits finger operation and precision-oriented work
  • Includes a scroll ring and detachable wrist rest
  • Very large, long-running review base (~5,300 ratings) signals an established design
  • Ambidextrous layout works for left- or right-handed users

Where it falls short

  • 4.2 Amazon average is the lowest among the picks here
  • Steeper learning curve than thumb-operated trackballs, per general category consensus
  • No expert or specialist-community signals attached to this listing in our data
  • Premium ~$90 price with an older sensor design

Embed our score

Sell this product? Show off the rank.

Free badge for the brand, retailer, or anyone covering this product. Copy the snippet and paste it anywhere HTML works. Updates automatically when the ranking changes.

VerdictAI score badge for Kensington Expert Wireless Trackball Mouse (K72359WW)…

Includes a credit link back to this page. No tracking; no JavaScript.

Across the reviews

Synthesis · not our verdict

The Kensington Expert is the long-standing pick for shoppers who want a large, centered ball operated with the fingers rather than the thumb, paired with a scroll ring and a detachable wrist rest. Verified-purchase reviewers give it a 4.2 average across more than 5,300 ratings, a sizable pool that points to a durable, established design with a more polarizing fit than the smaller thumb trackballs. No independent lab or specialist-community signals were attached to this specific listing in our data, so its standing here rests on that broad retailer rating and its clearly differentiated finger-operated form factor.

Key specs

Source: Amazon listing
Large 55mm ball design and Diamond Eye optical tracking for precise cursor control; Patented scroll ring lets you scan up and down pages with ease
Detachable, ergonomic wrist rest supports hand and wrist for improved comfort; Ambidextrous design
Customizable 4-button design, scroll speed and cursor speed via *KensingtonKonnect software. *Windows ARM-based computers are currently not supported
Connects wirelessly via built-in Bluetooth LE or with the USB dongle using 2.4Ghz wireless; Auto-sleep helps conserve battery life; Bluetooth connectivity works best for PC Windows 8.1 or later and Mac OS X 10.8 or later; USB dongle connectivity is recommended for Windows 7 or later
Power saving mode puts mouse to sleep when not in use; power settings can be updated in the KensingtonWorks software
Compatible with Windows, macOS (10.14 and later), and Chrome (OS 44 and later); 3 year coverage and lifetime technical support

If the consensus convinced you

Check current price on Amazon

Pricing and availability change frequently. Tap through to confirm before buying.