AGPtek® Wireless Finger HandHeld Rechargeable USB 2.0 Trackball Mouse
Special design, can avoid the harm on your wrist and muscle, greatly reducesdiscomfort 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:Suitable for Tablet PC & Laptop & Desktop computerUSB PORT, USB receiver is includedFOUR GROUP DPI:400,600,800,100Built-in rechargeable batteryCharging time: 3-4 hours (USB charging cable is included)Package:1 x Wireless Finger HandHeld USB Mouse Mice Trackball Mouse1 x USB receiver1 x USB charging cable1 x bag