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.
ProtoArc®
EM03 NL Ergonomic Trackball Mouse
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30-Day
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Expedited
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2-Year
Warranty
- Ergonomic 44mm Trackball: Reduces wrist strain with a large index-finger-operated trackball, no need to move wrist/arm.
- 3-Device Multi-Connectivity: Supports Bluetooth 5.0 & 2.4G USB, seamless one-click switching between devices.
- 5 Adjustable DPI & Quiet Clicks: 200-1600 DPI for precise control; soundless clicks for distraction-free use.
- Rechargeable Long-Life Battery: 500mAh Li-Po battery lasts up to 60 days; USB-C fast charging.
- Space-Saving Compact Design: Stays in one spot, clears desk space for minimalist/limited work areas.
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Description
Ergonomic Design for All-Day Comfort
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 (200/400/800/1200/1600) for different tasks. The 500mAh high-capacity battery lasts up to 60 days on a single charge, with USB-C fast charging for quick top-ups.
Intuitive Button Layout
Features DPI button, left/right buttons, forward/backward buttons, scroll wheel, and power switch. The quiet-click design ensures distraction-free use, while the intuitive layout boosts productivity with easy access to key functions.
Perfect Fit for Your Hand
Designed to fit small, medium, and large hands: Small (<6.9in), Medium (6.9in-7.5in), Large (>7.5in). The ergonomic contour ensures a secure, comfortable grip—measured against credit card size for easy reference.
Specs
DIMENSIONS
Trackball Mouse (Index Finger Operation)
Product Dimensions (L x W x H): 16.8 * 10.5 * 5.5 CM
Package Dimensions (L x W x H): 17.4 * 12.4 * 8.5 CM
Product Gross Weight: 350g
Trackball Size: 44mm (large trackball, frees wrist movement)
SYSTEM REQUIREMENTS
USB Receiver (2.4G)
Required: Available USB port
Compatible OS: Windows XP/7/8/10+; macOS 10.12+; Android 4.3+; iOS (for smartphones/tablets)
Bluetooth 5.0
Required: Bluetooth 5.0 support
Compatible OS: Windows 8/10+; macOS 10.12+; Android 4.3+; iOS (for smartphones/tablets)
Compatible Devices: Personal Computer, Smartphone, Tablet
TECHNICAL SPECIFICATIONS
Technology
Engine: Optical
Movement Detection: Trackball
DPI: 200/400/800/1200/1600 (5 adjustable modes, max 1600 DPI)
Click Life: Not specified
Click Type: Soundless (Quiet Clicking)
Surface: Smooth Frosted Surface
Button Quantity: 4
Hand Orientation: Right
Additional Features: Ergonomic Design, Rechargeable
Battery
Type: Rechargeable Li-Po battery
Capacity: 500mAh (high-capacity)
Battery Life: Up to 1440 Hours (60 days) per full charge
Power-Saving: Auto sleep mode (activates after minutes of inactivity)
Charging: USB-C Fast Charging
Connection Type
Supported Technologies: 2.4G, Bluetooth 5.0, USB
Multi-Device Support: Up to 3 devices (simultaneous connection)
Switching: Seamless Switching in One Click (via Switch Button)
PACKAGE CONTENTS
1 x Wireless Bluetooth Trackball Mouse (Black body with Gray/Red/Purple Ball variant)
1 x 2.4G USB Receiver
1 x USB-C Charging Cable (Fast Charging)
1 x User Manual
WARRANTY INFORMATION
Not specified
QUICK GUIDE
EM03 NL Ergonomic Trackball Mouse
$59.99
Gray
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