EM03 NL Trackball Ergonomic Mouse

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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 (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.