M546
◉ 1000 dpi Advanced Optical Tracking sensor\n
◉ Logitech advanced 2.4 GHz wireless connection\n
◉ Very small compact receiver\n
◉ 2 extra thumb buttons for better control\n
◉ Dual-Axis powerful scroll wheel\n
◉ 18 months battery life (AA battery)
Logitech2 @ Botra Computer
