Logitech 910-006438, Right-hand, Trackball, Bluetooth, 2000 DPI, White Logitech 910-006438. Form factor: Right-hand. Movement detection technology: Trackball, Device interface: Bluetooth, Movement resolution: 2000 DPI, Buttons type: Pressed buttons, Buttons quantity: 5, Scroll type: Wheel. Power source: Batteries. Product color: White