welspo Wireless USB Handheld Finger Trackball(Black) Mouse with Laser Pointer

Additional Details from the Manufacturer

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More features

• Wireless - Charged by AAA battery, plug and play, easy to install.Easy to use - left or right hand, or cradled between both. Press then appear laser pointer for presentation
• Off table and without limitation of operational space. Scrolling function can be controlled simply by your thumb. 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
• Ideal for both laptops and desktops. Place end of index or middle finger on trigger button & thumb on roller ball
• Package Included - 1 x Wireless Finger HandHeld USB Trackball Mouse with Laser Pointer, 1 x USB Receiver, 1 x bag