welspo Wireless USB Handheld Finger Trackball Mouse with Laser Pointer

Additional Details from the Manufacturer

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More features

• [Wireless and Easy to Install] Wireless, Powered by AAA battery, plug and play, easy to install. Simple to use with either the left or right hand or cradled between the both Press for laser pointer appearance for presentation.
• [Easy to Use] Off table and without limits of operational space. Your thumb can easily manage the scrolling function. USB 2.0 interface, plug and play, no software required.
• [Ergonomic Design] handheld trackball mouse wireless, which can avoid any harm on your wrist and muscle, greatly reducing the chances for Arthritis and CTS suffers.
• [Compatibility]Perfect for both desktops and laptops. Put your thumb on the rollerball and the tip of your index or middle finger on the trigger.
• [Package Included] 1 x wireless finger handheld USB trackball mouse with laser pointer, 1 x USB receiver, 1 x bag