First Impressions
Protoarc positions the ProtoArc EM04 Wireless Trackball Mouse as a affordable trackball mice, asking $29.98. After 1,945 customer reviews on Amazon, the verdict is a excellent 4.4 stars. We've ranked it #15 out of 47 in this category. It won't beat the top picks on raw rating, but at 45% below the category average price, it has a different value proposition.
Shape, Weight, and Build
Comfort over a long session matters more than peak DPI specs. Reviews lean strongly toward 'comfortable' here, suggesting the shape works for most hand sizes.
Specs at a Glance
- Brand: Protoarc
- Price: $29.98 (well below the $54.12 category average)
- Amazon rating: 4.4 of 5.0
- Reviews: 1,945
- Category rank: #15 of 47 in trackball mice
- Cheaper in category: 7 products
- Higher-rated in category: 13 products
- More-reviewed in category: 21 products
Real-World Feedback
A 4.4-star average from 1,945 buyers means most are happy, but a meaningful slice - roughly 15-20% - has at least some complaint. The pattern in the negative reviews matters more than the average itself.
The Budget Angle
At $29.98, the ProtoArc EM04 Wireless Trackball Mouse sits well below the $54.12 category average. 7 options are cheaper and 39 are more expensive.
The category leader is the Logitech Ergo M575 Trackball for Business ($44.99, 4.6★, 13,843 reviews). The ProtoArc EM04 Wireless Trackball Mouse is $15.01 cheaper, which is the main reason to pick it over the leader.
Cheaper alternatives worth a look:
- PORLEI Wired RGB Trackball Mouse - $23.99, 4.4★ (923 reviews) · Cheaper
- Perixx PERIMICE-717 Wireless Trackball Mouse - $22.99, 4.0★ (2,023 reviews) · Cheaper
- J-Tech Digital Wireless Trackball Mouse - $19.99, 3.9★ (114 reviews) · Cheaper
If rating alone is your filter, the highest-rated option in this category is the Logitech MX Ergo S Wireless Trackball (Renewed) at 5.0★. If pure price is the filter, the cheapest is the J-Tech Digital Wireless Trackball Mouse at $19.99.
Who Should Get This
Probably yes , with a caveat. The rating is strong and the price is reasonable. Just confirm the specific features you care about - connectivity, switches, ports, whatever - match what's listed.
Best fit for:
- Budget shoppers who want functional trackball mice without overspending
The Verdict
8.2/10
Not a top-tier rank, but the price-to-rating combo is genuinely good. A reasonable choice if the top picks don't fit your budget.