−16%
More from ProtoArc →EM03 NL Trackball Ergonomic Mouse
$33.99$39.99Save 15%
In stock at protoarc.com
Your browser does not support HTML5 video. Ergonomic Design for All-Day Comfort Sculpted to fit your hand naturally, promoting a neutral wrist posture that reduces strain and fatigue during long work or gaming sessions. Recommended for medium to large hands, it delivers consistent comfort even after hours of use. 44mm…
Shop now at ProtoArc →Code
GFPALEKSANDRBODNARSee all 110 ProtoArc products·Visit protoarc.com
Price and stock from protoarc.com, refreshed daily. We may earn a commission if you buy.
EM03 NL Trackball Ergonomic Mouse at a glance
| Brand | ProtoArc |
|---|---|
| Price | $33.99 (was $39.99) |
| Type | Mice |
| Options | 3 colors |
| Availability | In stock at protoarc.com |
| Coupon | GFPALEKSANDRBODNAR |
| Returns | Returns within 30 days of delivery get a full refund including original shipping and… |
Price check
At $33.99, the EM03 NL Trackball Ergonomic Mouse is one of ProtoArc's more affordable items, whose 110 listed products run $9.90 to $292.95.
It's currently 15% below its listed price of $39.99. Sale prices can end without notice, so check the live price before you order.
About this product
From ProtoArc's product listing:
Your browser does not support HTML5 video. Ergonomic Design for All-Day Comfort Sculpted to fit your hand naturally, promoting a neutral wrist posture that reduces strain and fatigue during long work or gaming sessions. Recommended for medium to large hands, it delivers consistent comfort even after hours of use. 44mm Large Trackball - Free Your Wrist The oversized 44mm trackball enables precise cursor control without moving your wrist or arm. Experience smooth, accurate tracking for tasks like design, editing, or browsing—all while minimizing muscle tension. 3-Device Connection & One-Click Switching Connect up to 3 devices simultaneously via Bluetooth 5.0 and 2.4G USB receiver. Seamlessly switch between your laptop, phone, and desktop with the dedicated switch button—no more repeated pairing. 5 Adjustable DPI & USB-C Fast Charging Customize cursor sensitivity with 5 DPI levels (
Frequently asked questions
Is the EM03 NL Trackball Ergonomic Mouse on sale?
Yes. ProtoArc lists it at $33.99, down from $39.99 (15% off). Sale prices change, so confirm the live price on protoarc.com.
Is there a coupon code for the EM03 NL Trackball Ergonomic Mouse?
ProtoArc's store-wide code GFPALEKSANDRBODNAR can be entered at checkout on protoarc.com. ProtoArc sets the discount, and some items or sale prices may be excluded.
What is ProtoArc's return policy?
Returns within 30 days of delivery get a full refund including original shipping and handling fees. ProtoArc provides a prepaid label for defective or incorrect items; change-of-mind returns ship at the customer's cost, and an RMA number is required.
How long does ProtoArc take to ship?
Continental US orders ship free over $19.99 with an estimated 3 to 5 business days. Canada is quoted at 5 to 7 business days, and the UK, Germany and select EU countries pay rates calculated at checkout.
Does the EM03 NL Trackball Ergonomic Mouse come with a warranty?
ProtoArc's published warranty terms: Keyboards, mice and other accessories carry a 2-year warranty from delivery, and furniture carries 3 years, with select premium chairs eligible for 5 to 10 years. Claims go to support@protoarc.com with your order ID and photos or video.
What options does the EM03 NL Trackball Ergonomic Mouse come in?
Color: Purple, Gray, Red.
Where can I buy the EM03 NL Trackball Ergonomic Mouse?
The EM03 NL Trackball Ergonomic Mouse is sold directly by ProtoArc on protoarc.com. The Shop now button on this page goes straight to the product there, and code GFPALEKSANDRBODNAR can be applied at checkout.
Is the EM03 NL Trackball Ergonomic Mouse in stock?
Yes. ProtoArc lists it as in stock on protoarc.com as of our latest check. Stock and prices refresh throughout the day.
Is ProtoArc a legit store?
ProtoArc is a smart pick for desk workers who want ergonomic keyboards, mice or a mesh chair without paying premium-brand prices, and its 2-year accessory warranty and free US shipping over $19.99 lower the risk. Skip it if you need a deeply customizable mechanical keyboard or ship to Hawaii, Alaska or an APO address, where service is restricted. Check which layout and OS a keyboard is built for (several models are Mac-specific or UK layout) before you order. Our full ProtoArc review covers shipping, returns and what to check before ordering.
Is the EM03 NL Trackball Ergonomic Mouse expensive?
At $33.99 it is on the affordable end of ProtoArc's range ($9.90 to $292.95 across 110 products).
More from ProtoArc
Shop all ProtoArc →
Alternatives from other brands
$33.99Shop now at ProtoArc →