Wireless Finger HandHeld USB Mouse Mice Trackball Mouse with Laser Pointer

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Easy to use - left or right hand, or cradled between both. Ideal for both laptops and desktops Features: Plug and Play, easy to install Wireless, With trackball, cool Press then ap per 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. Special design, can avoid the harm on your wrist and muscle, greatly reduces discomfort for Arthritis and CTS suffers Place end of index or middle finger on trigger button & thumb on roller ball Suitable for Tablet PC & Laptop & Desktop computer USB PORT, USB receiver is included FOUR GROUP DPI: 400,600,800,100 Battery require: 1 x AAA Show more