Logitech MX800 sensor review: native dpi, specs, problems

Logitech Wireless Performance Combo MX800 inclused wireless keyboard and mouse. Logitech MX800 cordless mouse has a 800dpi laser sensor. DPI range: 200-1600. Native DPI: 400 dots per inch. Laser sensor works flawlessly on virtually any surface. Polling rate: 500Hz (2 milliseconds of latency). Problems: users reported about unresponsive keyboard and short mouse battery life. 

Connection: Wireless 2.4 GHz; Range: Up to 10 m or 33 ft; a small USB receiver.