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EM11 Pro Ergonomic Mouse - Web Customization & Horizontal Scroll for Large Hands
Choose the EM11 Pro for browser-based button customization, a time-saving side scroll wheel, a 58° ergonomic design that reduces wrist fatigue by 90%, and seamless switching between 3 devices—all in a vertical mouse built for large hands size:19.0–21.5 cm (7.5–8.5")
EM11 Pro HUB Quick Start Guide
1. Visit our website and Select EM11 Pro.
2. Choose a button on the interactive interface and Assign a function (Copy, Paste etc.).
3. Save – syncs automatically to onboard memory.
For macOS users: Web HUB requires input permission to customize your device (100% Private - No logging). Permission is required for remapping and DPI adjustments.
Go to System Settings ? Privacy & Security ? Input Monitoring ? check your browser (Chrome/Edge).
EM11 Pro Designed for Large Hands: 19.0–21.5 cm (7.5–8.5")
Warm tips: Since it takes a learning curve to get used to the shape when using our ergonomic mouse for the first time, it may cause inconvenience to your mouse grip, but our ergonomic design will help reduce the pressure and pain on your wrist caused by long-term use of the mouse
Can it connect to multiple devices?
Yes, it connects to 3 devices via dual Bluetooth connectivity and 2.4G USB-A, so you can switch instantly without re-pairing— perfect for multi-tasking across your computer, tablet, and phone. Compatible with Windows, Mac, and Android.
What hand size is the EM11 Pro designed for?
Recommendations for Hand Size: We recommend that Large hands use our ergonomic vertical mouse. Please measure the size before ordering for a better fit and more comfort
Does the EM11 Pro support programming?
Yes, the EM11 Pro supports Advanced Customization via Web—no software to download—allowing you to easily adjust DPI sensitivity and Create custom buttons for your favorite shortcuts, like copy/paste
What does the side scroll wheel on the EM11 Pro do?
The side scroll wheel on the EM11 Pro is ideal for wide spreadsheets, long web pages, or expansive design canvases, helping you work faster and reduce hand fatigue. it saves seconds per action when working in Excel or video timelines
Why should I choose the EM11 Pro over other vertical mice?
Choose the EM11 Pro for browser-based button customization, a time-saving side scroll wheel, a 58° ergonomic design that reduces wrist fatigue by 90%, and seamless switching between 3 devices—all in a vertical mouse for large hands size
ProtoArc Wireless Bluetooth Mouse
 EM11 Pro Ergo Mouse |  EM11 NL Ergonomic Mouse |  EK01 Plus Ergo Keyboard |  HubMouse for Travel |  EM15 Bluetooth Mouse | |
|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — |
Price | — | — | — | — | — |
Size | 6.06*3.38*2.95 in | 5.43*2.72*2.68 in | 18.9 * 9.62 * 1.01 in | 4.3*2.4*1.2 in | 4.9*2.4*1.535 in |
Hand Size | Great for Large Hand | Great for Small to Medium Hand | Full-size (18.9"×9.62") | Great for Small to Medium Hand | Great for Medium Hand |
Web-Based Customization | ? | ? | ? | ? | ? |
Horizontal Scroll Wheel | ? | ? | ? | ? | ? |
DPI Level | Up to 7200 | 1000/1600/2400 | / | 1000/1600/2400 | 1000/1600/2400 |
Connection Type | 2.4G + Dual Bluetooth | 2.4G + Dual Bluetooth | 2.4G + Dual Bluetooth | Type C Hub + Dual Bluetooth | 2.4G+USB C Wireless+ Bluetooth |
USB-C Charging | ? | ? | ? | ? | ? |
Color | White Silver | White Silver | White Silver | White Silver | White Silver |
Mission
At ProtoArc, our mission is to deliver innovative workspace solutions that enhance comfort, boost productivity, and foster overall wellness.
Vision
We believe that everyone deserves a workspace that not only meets their functional needs but also empowers them to thrive. Our vision is a world where work environments promote health, happiness, and high performance.
Ergonomic WorkSpace
Ergonomic Bluetooth Mouse
Ergonomic Keyboard & Mouse
Mac Keyboard and Mouse
EM11 Pro Ergonomic Mouse - Web Customization & Horizontal Scroll for Large Hands
Choose the EM11 Pro for browser-based button customization, a time-saving side scroll wheel, a 58° ergonomic design that reduces wrist fatigue by 90%, and seamless switching between 3 devices—all in a vertical mouse built for large hands size:19.0–21.5 cm (7.5–8.5")
EM11 Pro HUB Quick Start Guide
1. Visit our website and Select EM11 Pro.
2. Choose a button on the interactive interface and Assign a function (Copy, Paste etc.).
3. Save – syncs automatically to onboard memory.
For macOS users: Web HUB requires input permission to customize your device (100% Private - No logging). Permission is required for remapping and DPI adjustments.
Go to System Settings ? Privacy & Security ? Input Monitoring ? check your browser (Chrome/Edge).
EM11 Pro Designed for Large Hands: 19.0–21.5 cm (7.5–8.5")
Warm tips: Since it takes a learning curve to get used to the shape when using our ergonomic mouse for the first time, it may cause inconvenience to your mouse grip, but our ergonomic design will help reduce the pressure and pain on your wrist caused by long-term use of the mouse
Can it connect to multiple devices?
Yes, it connects to 3 devices via dual Bluetooth connectivity and 2.4G USB-A, so you can switch instantly without re-pairing— perfect for multi-tasking across your computer, tablet, and phone. Compatible with Windows, Mac, and Android.
What hand size is the EM11 Pro designed for?
Recommendations for Hand Size: We recommend that Large hands use our ergonomic vertical mouse. Please measure the size before ordering for a better fit and more comfort
Does the EM11 Pro support programming?
Yes, the EM11 Pro supports Advanced Customization via Web—no software to download—allowing you to easily adjust DPI sensitivity and Create custom buttons for your favorite shortcuts, like copy/paste
What does the side scroll wheel on the EM11 Pro do?
The side scroll wheel on the EM11 Pro is ideal for wide spreadsheets, long web pages, or expansive design canvases, helping you work faster and reduce hand fatigue. it saves seconds per action when working in Excel or video timelines
Why should I choose the EM11 Pro over other vertical mice?
Choose the EM11 Pro for browser-based button customization, a time-saving side scroll wheel, a 58° ergonomic design that reduces wrist fatigue by 90%, and seamless switching between 3 devices—all in a vertical mouse for large hands size
ProtoArc Wireless Bluetooth Mouse
EM11 Pro Ergo Mouse | EM11 NL Ergonomic Mouse | EK01 Plus Ergo Keyboard | HubMouse for Travel | EM15 Bluetooth Mouse |
|---|---|---|---|---|
| Customer Reviews | ||||
| — | — | — | — | — |
| Price | ||||
| — | — | — | — | — |
| Size | ||||
| 6.06*3.38*2.95 in | 5.43*2.72*2.68 in | 18.9 * 9.62 * 1.01 in | 4.3*2.4*1.2 in | 4.9*2.4*1.535 in |
| Hand Size | ||||
| Great for Large Hand | Great for Small to Medium Hand | Full-size (18.9"×9.62") | Great for Small to Medium Hand | Great for Medium Hand |
| Web-Based Customization | ||||
| ? | ? | ? | ? | ? |
| Horizontal Scroll Wheel | ||||
| ? | ? | ? | ? | ? |
| DPI Level | ||||
| Up to 7200 | 1000/1600/2400 | / | 1000/1600/2400 | 1000/1600/2400 |
| Connection Type | ||||
| 2.4G + Dual Bluetooth | 2.4G + Dual Bluetooth | 2.4G + Dual Bluetooth | Type C Hub + Dual Bluetooth | 2.4G+USB C Wireless+ Bluetooth |
| USB-C Charging | ||||
| ? | ? | ? | ? | ? |
| Color | ||||
| White Silver | White Silver | White Silver | White Silver | White Silver |
Mission
At ProtoArc, our mission is to deliver innovative workspace solutions that enhance comfort, boost productivity, and foster overall wellness.
Vision
We believe that everyone deserves a workspace that not only meets their functional needs but also empowers them to thrive. Our vision is a world where work environments promote health, happiness, and high performance.
Ergonomic WorkSpace
Ergonomic Bluetooth Mouse
Ergonomic Keyboard & Mouse
Mac Keyboard and Mouse