ProtoArc EM02 Wireless Trackball Mouse: At a Glance
Priced at $32.99, the ProtoArc EM02 Wireless Trackball Mouse is Protoarc's entry in the trackball mice category. With 116 buyers rating it at 4.5 stars, it currently sits at #41 of 47 in our rankings. It won't beat the top picks on raw rating, but at 39% below the category average price, it has a different value proposition.
In the Hand
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.
Specifications
- Brand: Protoarc
- Price: $32.99 (well below the $54.12 category average)
- Amazon rating: 4.5 of 5.0
- Reviews: 116
- Category rank: #41 of 47 in trackball mice
- Cheaper in category: 10 products
- Higher-rated in category: 6 products
- More-reviewed in category: 41 products
Owner Reports
116 reviews and a 4.5-star average is a strong signal. At this scale, manufactured reviews would have to be unrealistically pervasive to move the score this much, which means the satisfaction is real for the typical buyer.
For context, the average rating across all 47 trackball mice options we track is 4.3 stars, so this product is meaningfully above average.
The Budget Angle
At $32.99, the ProtoArc EM02 Wireless Trackball Mouse sits well below the $54.12 category average. 10 options are cheaper and 36 are more expensive.
The category leader is the Logitech Ergo M575 Trackball for Business ($44.99, 4.6★, 13,843 reviews). The ProtoArc EM02 Wireless Trackball Mouse is $12.00 cheaper, which is the main reason to pick it over the leader.
Most-reviewed alternatives (more buyer data):
- Logitech Ergo M575 Trackball for Business - $44.99, 4.6★ (13,843 reviews) · Roughly comparable
- Nulea M501 Wireless Trackball Mouse Pink - $37.99, 4.4★ (12,239 reviews) · Roughly comparable
- Logitech Trackman Marble Trackball Mouse - $199.99, 4.6★ (12,089 reviews) · Roughly comparable
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.
The Buy/Skip Call
Yes - high rating, below-average price, healthy review volume. The ProtoArc EM02 Wireless Trackball Mouse is the kind of choice that's hard to regret. The only reason to skip it is if a specific feature you need is missing.
Best fit for:
- Budget shoppers who want functional trackball mice without overspending
- Quality-first buyers who prioritize a track record of satisfaction over saving a few dollars
Final Take
7.8/10
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.