---
product_id: 648164503
title: "ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold"
brand: "protoarc"
price: "₩103814"
currency: KRW
in_stock: true
reviews_count: 13
category: "Proto Arc"
url: https://www.desertcart.kr/products/648164503-protoarc-em01-nl-wireless-trackball-mouse-rechargeable-thumb-control-gold
store_origin: KR
region: South Korea
---

# 5 DPI levels (200-1600) for precision 3-device wireless switching (Bluetooth & 2.4G) 0-20° adjustable trackball angle ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold

**Brand:** protoarc
**Price:** ₩103814
**Availability:** ✅ In Stock

## Summary

> 🎉 Elevate your workspace with precision and style—because your hand deserves the gold standard.

## Quick Answers

- **What is this?** ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold by protoarc
- **How much does it cost?** ₩103814 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/648164503-protoarc-em01-nl-wireless-trackball-mouse-rechargeable-thumb-control-gold)

## Best For

- protoarc enthusiasts

## Why This Product

- Trusted protoarc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ergonomic Angle Adjustment:** Customize your grip with a 0-20° hinge to reduce wrist fatigue during marathon work sessions.
- • **Seamless Multi-Device Control:** Effortlessly switch between PC, laptop, and tablet with one button—boost your productivity without missing a beat.
- • **Silent Clicks for Focused Work:** Quiet left/right clicks and a frosted surface create a distraction-free zone, perfect for shared offices or home setups.
- • **Rechargeable Precision Tracking:** Five DPI settings from 200 to 1600 let you tailor cursor speed for every task, powered by a rechargeable battery—ditch disposable batteries forever.
- • **Easy Maintenance for Smooth Performance:** Simple trackball and roller cleaning keeps your navigation buttery smooth, even after heavy app use.

## Overview

The ProtoArc EM01 NL is a sleek gold wireless trackball mouse featuring a 0-20° adjustable angle for ergonomic comfort, rechargeable battery with 5 DPI levels for customizable precision, and multi-device Bluetooth & 2.4G connectivity allowing seamless switching between three devices. Designed for quiet operation and easy maintenance, it’s ideal for professionals seeking a stylish, fatigue-reducing input device that enhances productivity across PC, Mac, and tablets.

## Description

desertcart.com: ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold | 0/20° Adjustable Angle to Reduce Fatigue, Triple-Device Bluetooth & 2.4G USB-A for Office Use, Silent Click, Easy to Clean : Electronics

Review: Ergonomic game changer — three device connectivity makes it perfect for work from home - Been using traditional mice for years and the wrist fatigue that comes with extended desk sessions finally pushed me to make the trackball switch. The ProtoArc EM01 NL is the right entry point into thumb trackballs — ergonomic design, wireless Bluetooth, rechargeable, and multi-device connectivity that makes it the ideal work from home peripheral. The three device connectivity is the feature that separates this from a standard wireless mouse. Two Bluetooth device pairings plus a USB dongle receiver means you can have a work laptop, personal machine, and a third device all paired simultaneously and switch between them with a button press. For a work from home setup where you're bouncing between a company laptop and a personal machine throughout the day this is a complete workflow changer — one mouse, no re-pairing, instant switching. The thumb trackball placement is the ergonomic win that makes this style of mouse worth switching to. Wrist stays stationary while the thumb does the tracking work — after a few days of adjustment the precision is there and the wrist fatigue from constant mouse movement is completely gone. For anyone doing long desk sessions whether work or home lab, the difference is real and noticeable. Bluetooth connectivity is solid and stable across all paired devices — no lag, no dropout, no cursor jumping. Pairs quickly on initial setup and reconnects immediately when switching between devices without the delay that plagues some wireless peripherals. Rechargeable battery life is strong enough that charging is an occasional task rather than a constant concern. USB-C charging means one less proprietary cable to manage. For anyone working from home across multiple machines, the three device pairing plus trackball ergonomics makes this an easy recommendation. Highly recommended.
Review: Very Very Premium, Very Very Good - I have to say almost 6 days coming up on a year after buying this mouse, its perfect. Its funny cause when i bought this, i didn't really sift its specs thoroughly, didn't know physically moving the mouse didn't move the cursor, I just bought it because it looked good & it shipped fast. First off, the build quality is amazing, it feels and weighs very premium. love the fact that I can just recharge it with usb c. when I first got it, it took about 4 hours to get used to it because before it, the mouse i had was regular, so hand positioning was a bit awkward at first but after those hours i loved it. Never going back. Its very smooth and the scrolling is so good and easy to adjust. love that. One thing that's weird about it (or weird about me) is that u can use this while sitting in your chair (place it on the arms rest), standing up, on your lap, or laying down in your bed for tv (i use a projector). Its comfortable in every way. Although i said it took 4 hours to get used to, gaming took a bit longer, but over time it becomes way easier and honestly in my opinion, more convenient than a regular mouse. Reason why I say this is because for some people like me, our table may not have a lot of room to move the mouse, but with the rollerball, the ease of it is crazy. The battery lasts so long, I just charge it for the sake of seeing it charged, never for the sake of "its almost dead, or it died, lemme go charge it", if that makes sense. And the smooth connectivity is awesome, switches between devices like its nothing, the distance i can use it at is very good and I love the number-lights thing. Once you buy this mouse, you wont believe the quality you got for the price (compared to others). If the rollerball gets a bit slow or choppy, all I have to do is use my thumb and forcefully roll the ball until it feels smooth again, which i rarely have to do but its a quick fix, no extra steps. Overall, it feels awesome, performs awesome, and its aesthetic is awesome.

## Features

- Adjustable Trackball Comfort: The 0-20° hinge lets you set the trackball angle to match your hand position, supporting a more natural grip through long work sessions
- Thumb-Control Precision: Navigate documents and web pages by moving the thumb trackball instead of your whole arm, making it easier to work on crowded desks, couches, or beds
- 3-Device Wireless Control: Bluetooth and 2.4G wireless modes let you connect up to three devices and switch between PC, laptop, and tablet with one button
- Rechargeable 5-DPI Tracking: The built-in rechargeable battery avoids disposable battery swaps, while 200/400/800/1200/1600 DPI levels adjust cursor speed for different tasks
- Quiet Shared-Space Clicks: Quiet left and right clicks and a frosted surface support focused work in offices or home spaces; scroll wheel and side buttons are not silent
- Easy Trackball Maintenance: Clean the trackball and three white rollers after extended use to help keep movement smooth, especially after startup or heavy app loading
- Health Tip: Like any ergonomic tool, trackball mice require a short learning curve. Unlike traditional mice, they keep your wrist stable – a more natural motion that reduces pressure and fatigue. Most users adapt within 1–2 weeks. Experiment with hand positions to find your comfort. Our goal: healthier, pain‑free use for years

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CWTP8MMX |
| Best Sellers Rank | #140 in Computer Mice |
| Brand | ProtoArc |
| Button Quantity | 6 |
| Color | Gold Ball |
| Compatible Devices | PC;laptop;tablet;Mac |
| Connectivity Technology | USB, Wi-Fi |
| Customer Reviews | 4.2 out of 5 stars 3,402 Reviews |
| Enclosure Material | Plastic |
| Finish | Matte |
| Hardware Platform | PC;Mac;Windows |
| Item Weight | 0.35 kg |
| Manufacturer | ProtoArc |
| Mfr Part Number | Protoarc B0CWTP8MMX |
| Minimum Required Operating System Version | Android 10.0, Mac OS 10.15 Catalina, Windows 10 |
| Model Name | EM01 NL |
| Model Number | EM01 NL |
| Mouse Maximum Sensitivity | 1600 dots_per_inch |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Number of Buttons | 6 |
| Operating System | Windows;Mac |
| Power Source | Battery Powered |
| Range | 10.0 meters |
| Style Name | Modern |
| Unit Count | 1 Count |

## Product Details

- **Brand:** ProtoArc
- **Color:** Gold Ball
- **Connectivity Technology:** USB, Wi-Fi
- **Model Name:** EM01 NL
- **Number of Buttons:** 6

## Images

![ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold - Image 1](https://m.media-amazon.com/images/I/61JWLiZlefL.jpg)
![ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold - Image 2](https://m.media-amazon.com/images/I/61Wdxt7OWSL.jpg)
![ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold - Image 3](https://m.media-amazon.com/images/I/71ZxwZYPs6L.jpg)
![ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold - Image 4](https://m.media-amazon.com/images/I/71gSpccMu6L.jpg)
![ProtoArc EM01 NL Wireless Trackball Mouse, Rechargeable Thumb Control, Gold - Image 5](https://m.media-amazon.com/images/I/715cnOtxUvL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Ergonomic game changer — three device connectivity makes it perfect for work from home
*by J***E on July 23, 2026*

Been using traditional mice for years and the wrist fatigue that comes with extended desk sessions finally pushed me to make the trackball switch. The ProtoArc EM01 NL is the right entry point into thumb trackballs — ergonomic design, wireless Bluetooth, rechargeable, and multi-device connectivity that makes it the ideal work from home peripheral. The three device connectivity is the feature that separates this from a standard wireless mouse. Two Bluetooth device pairings plus a USB dongle receiver means you can have a work laptop, personal machine, and a third device all paired simultaneously and switch between them with a button press. For a work from home setup where you're bouncing between a company laptop and a personal machine throughout the day this is a complete workflow changer — one mouse, no re-pairing, instant switching. The thumb trackball placement is the ergonomic win that makes this style of mouse worth switching to. Wrist stays stationary while the thumb does the tracking work — after a few days of adjustment the precision is there and the wrist fatigue from constant mouse movement is completely gone. For anyone doing long desk sessions whether work or home lab, the difference is real and noticeable. Bluetooth connectivity is solid and stable across all paired devices — no lag, no dropout, no cursor jumping. Pairs quickly on initial setup and reconnects immediately when switching between devices without the delay that plagues some wireless peripherals. Rechargeable battery life is strong enough that charging is an occasional task rather than a constant concern. USB-C charging means one less proprietary cable to manage. For anyone working from home across multiple machines, the three device pairing plus trackball ergonomics makes this an easy recommendation. Highly recommended.

### ⭐⭐⭐⭐⭐ Very Very Premium, Very Very Good
*by A***R on December 30, 2025*

I have to say almost 6 days coming up on a year after buying this mouse, its perfect. Its funny cause when i bought this, i didn't really sift its specs thoroughly, didn't know physically moving the mouse didn't move the cursor, I just bought it because it looked good & it shipped fast. First off, the build quality is amazing, it feels and weighs very premium. love the fact that I can just recharge it with usb c. when I first got it, it took about 4 hours to get used to it because before it, the mouse i had was regular, so hand positioning was a bit awkward at first but after those hours i loved it. Never going back. Its very smooth and the scrolling is so good and easy to adjust. love that. One thing that's weird about it (or weird about me) is that u can use this while sitting in your chair (place it on the arms rest), standing up, on your lap, or laying down in your bed for tv (i use a projector). Its comfortable in every way. Although i said it took 4 hours to get used to, gaming took a bit longer, but over time it becomes way easier and honestly in my opinion, more convenient than a regular mouse. Reason why I say this is because for some people like me, our table may not have a lot of room to move the mouse, but with the rollerball, the ease of it is crazy. The battery lasts so long, I just charge it for the sake of seeing it charged, never for the sake of "its almost dead, or it died, lemme go charge it", if that makes sense. And the smooth connectivity is awesome, switches between devices like its nothing, the distance i can use it at is very good and I love the number-lights thing. Once you buy this mouse, you wont believe the quality you got for the price (compared to others). If the rollerball gets a bit slow or choppy, all I have to do is use my thumb and forcefully roll the ball until it feels smooth again, which i rarely have to do but its a quick fix, no extra steps. Overall, it feels awesome, performs awesome, and its aesthetic is awesome.

### ⭐⭐⭐⭐ [TECHNICAL AUDIT] ProtoArc EM01 NL Wireless Trackball Mouse
*by D***S on April 22, 2026*

TL;DR: 4 Stars. A best-in-class ergonomic chassis with high-utility 0–20° tilt mechanics. However, the high-maintenance Zirconia bearings require frequent cleaning (the "nose oil" trick) to combat rapid dust accumulation. Resulting in potential for a superior ergonomic experience that demands consistent mechanical upkeep to maintain smoothness. [MECHANICAL SPECS & PERFORMANCE] Connectivity: Triple-Channel (1x 2.4G USB Wireless + 2x Bluetooth 5.0). Bearing Mechanics: 34mm resin trackball resting on three Zirconia ceramic bearing balls. Ergonomics: Adjustable 0–20° metal hinge allowing for a natural "handshake" grip. Battery: 900mAh Li-Po (Type-C) providing up to 90 days of operational uptime. Triggers: Silent-click primary switches for low-profile acoustic signature. [FUNCTIONAL UTILITY] The Ergonomic Hinge: This is the primary ROI. For a 20-year WFH professional, the 20° tilt is a mandatory requirement to prevent repetitive strain and maintain posture. The "Nose Oil" Protocol: A known community fix for Zirconia bearings. Using facial oils provides a temporary low-friction coating that improves trackball "glide" and prevents sticking. Device Switching: Seamless integration between three workstations via the top-mounted selector. DPI adjustment is also handled topside. [CRITICAL NON-CONFORMANCE: HIGH MAINTENANCE] Dust Accumulation: Under current environmental conditions, the rollers accumulate "gunk" within days. This is a common failure point for budget Zirconia setups where the bearing tolerances are tight. bearing Modification Potential: The unit would benefit from a "Bunker Mod"—upgrading the factory Zirconia to G5 or G10 grade Silicon Nitride (Si3N4) bearings and a dry lubricant like PTFE or Molybdenum Disulfide. Avoid graphite lube, as it is electrically conductive and can migrate into the optical sensor, causing "skipping." [AUDITOR’S SUMMARY] The ProtoArc EM01 NL is an excellent ergonomic tool that requires an active "maintenance schedule." If you are prepared to pop the ball and wipe the rollers twice a week, it is unbeatable at this price point. Highly Recommended for stationary setups, provided the user is ready for the upkeep.

## Frequently Bought Together

- ProtoArc Wireless Trackball Mouse, EM01 NL Ergonomic Bluetooth Rollerball Thumb Rechargeable Computer Laptop Mouse, Adjustable Angle & 3 Device Connection for PC, Mac, Windows-Gold Ball
- Hermitshell Hard Travel Case for ProtoArc Wireless Trackball EM01 NL Ergonomic Bluetooth Rollerball Thumb Mouse Rechargeable Computer Laptop Mouse

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-09-30*