BakkerElkhuizen HandShoeMouse Wireless, Left-hand, Optical, USB Type-A, 1000 DPI, Black BakkerElkhuizen HandShoeMouse Wireless. Form factor: Left-hand. Movement detection technology: Optical, Device interface: USB Type-A, Movement resolution: 1000 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Cable. Product color: Black