Manhattan Performance III Wireless Mouse, Black, 1000dpi, 2.4Ghz (up to 10m), USB, Optical, Ambidextrous, Three Button with Scroll Wheel, USB nano receiver, AA battery (not included), Low friction base, Three Year Warranty, Retail Box. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: RF Wireless, Movement resolution: 1000 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Batteries. Product colour: Black