CHERRY MW 2310 2.0 - Mouse - right and left-handed - optical - 6 buttons - wireless - RF, 2.4 GHz - USB wireless receiver - black

Wireless freedom - battery life of up to 3 years. Ambidextrous shape fits comfortably in either hand DPI switch on top of mouse lets you quickly change resolution Energy-efficient design operates for up to 3 years On/off switch allows you to turn off completely when not in use Nano USB receiver is compact for easy storage in laptop or mouse