Frisby FM-254WM, Ambidextrous, Optical, RF Wireless, 1600 DPI, Black
Frisby FM-254WM. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: RF Wireless, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 4, Scroll type: Ring. Power source: Batteries/Cable. Product colour: Black