EM04 Wireless Trackball Mouse

Your browser does not support HTML5 video. Ergonomic Thumb-Controlled Tracking Upgrade your everyday workflow with the EM04 Wireless Trackball Mouse. Designed with smooth thumb-controlled tracking, multi-device wireless connection, quiet clicks, and rechargeable power, EM04 helps reduce wrist movement while keeping your workspace efficient and comfortable. A Thumb-Control Trackball With the thumb-operated trackball, you do not need to move your whole hand to control the cursor, helping reduce hand and wrist fatigue during long work sessions. Package includes: EM04 Wireless Trackball Mouse, USB receiver, Type-C charging cable, and user manual. Adjustable DPI Choose from 5 DPI levels to adjust cursor speed for different work habits and tracking needs. Rechargeable Power Built-in rechargeable battery means no frequent battery replacement. Charge easily with the included Type-C cable. Universal Compatibility Works with USB-enabled and Bluetooth-enabled devices, including Windows, macOS, Android, laptops, desktops, and tablets. Low Battery Indicator The indicator light flashes when battery is low, helping you know when it is time to recharge. Why Choose EM04 EM04 is built for users who want smooth cursor control without constantly moving their wrist or arm. The thumb-controlled trackball lets you work comfortably on a desk, sofa, lap, or compact workspace, making it especially useful for narrow or cluttered desk setups. With Bluetooth and 2.4GHz wireless connection, 3-device switching, 5 DPI levels, quiet clicks, rechargeable battery, and an ergonomic curved shape, EM04 gives you a smoother and more flexible way to work across laptop, desktop, tablet, and Mac setups. FAQ Does EM04 require moving the mouse? No. EM04 uses a thumb-controlled trackball, so you can move the cursor without sliding the mouse across your desk. How many devices can EM04 connect to? EM04 supports up to 3 devices through Bluetooth and 2.4GHz wireless connection. Is EM04 rechargeable? Yes. EM04 has a built-in 450mAh rechargeable battery and can stand by for up to 1 month on a full charge. Can I adjust the cursor speed? Yes. EM04 supports 5 DPI levels: 200, 400, 800, 1200, and 1600 DPI. Are the buttons programmable? No. The buttons are not programmable. The Forward and Back buttons are not compatible with macOS. Does it take time to get used to? Yes. A trackball mouse feels different from a traditional mouse, so first-time users may need a short adjustment period.