Wireless Finger HandHeld USB Mouse Mice Trackball Mouse with Laser Pointer

Description:Plug and Play, easy to installWireless, With trackball, coolPress then apper laser pointer for presentationOff table and without limitation of operational spaceScrolling function can be controlled simply by your thumbUSB 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 suffersEasy to use - left or right hand, or cradled between bothIdeal for both laptops and desktopsPlace end of index or middle finger on trigger button & thumb on roller ballFeatures:1.Suitable for Tablet PC & Laptop & Desktop computer2.USB PORT, USB receiver is included3.FOUR GROUP DPI:400,600,800,1004.Battery require： 1 x AAAPackage Included:1 x Wireless Finger HandHeld USB Trackball Mouse with laser pointer1 x USB receiver1 x Bag