***parts only does not connect Dual Mode Wireless Vertical Computer Trackball Mouse, Ergonomic Bluetooth Thumb-Control Mouse with Quiet Clicks Ergonomic Design Adjustable CPI ,Built-in 500mAh Battery Rechargeable for PC/Mac/Laptop

Additional Details from the Manufacturer

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More features

• Dual Wireless Modes for Stable Connection Supports 2.4GHz wireless receiver and Bluetooth 5.0/3.0 dual modes with a range of up to 10 meters. Plug-and-play ready for easy connection to computers, tablets, and more.
• 5 Buttons + Scroll Wheel for Efficient Control Features 5 functional buttons and a precise scroll wheel, thoughtfully laid out to meet multi-scenario needs from daily office work to web browsing and design software.
• Three Adjustable CPI Levels for Precision Switch between 800, 1200, and 1600 CPI (cursor speed) to match different precision needs—ideal for detailed graphics work or fast navigation.
• Long-Lasting Battery for Uninterrupted Use Equipped with a built-in 500mAh rechargeable lithium battery for extended use. Energy-efficient design ensures all-day productivity.
• Ergonomic and Compact Design Measures 11.5 x 9.2 x 7.1 cm (4.53" x 3.62" x 2.80"), fits comfortably in hand. Trackball operation reduces wrist strain and enhances comfort during long sessions.