EXCLUSIV’ ASTRO – WIRELESS MOUSE 800 / 1200 / 1600 DPIUNIQUE DESIGN – COMPACT AND COMFORTABLE: RUBBER-FINISHED SURFACES – PRECISION AND EFFICIENCY – ON/OFF BUTTON SAVES AND OPTIMIZES USE TIME – NUMBER OF BUTTONS: 3 – COMPATIBILITY: PC/MAC – CONNECTIVITY: WIRELESS – CONNECTORS: USB 2.0 DONGLE – 1 AA BATTERY INCLUDED – ASTRO DESIGN.