The Cherry MW 2400 Wireless Mouse has three buttons and is suitable for left and right-handed users. It uses GHz wireless technology and has a range of up to 10m range. It has an optical sensor resolution of 1200dpi and the battery life status is displayed in the mouse. Wireless mouse Interference-free 2.4 GHz wireless technology (up to 10m range) Nano USB receiver Optical sensor technology (1200 dpi) Battery status display in mouse Colour: Black