MSI S12-4301370-CLA. Form factor: Right-hand. Movement detection technology: Optical, Device interface: RF Wireless + Bluetooth + USB Type-A, Movement resolution: 26000 DPI, Response time: 1 ms, Buttons type: Pressed buttons, Buttons quantity: 15, Scroll type: Wheel. Illumination colour: Multi. Power source: Batteries/Cable. Product colour: Black