1、Wireless frequency:2405MHz-2476MHz.

　　2、the working frequency: 16, automatic frequency hopping.

　　3、 rated voltage: 1.5V.

　　4、rated current:12mA.

　　5、tracing system: optical.

　　6、maximum speed: 14 inches/sec.

　　7、One AA alkaline batteries.

　　1、Mini nano receiver,plug and play.

　　2、2.4GHz wireless Technology working range in 10 m.

　　3、With power on/off switch, save power and prolong battery life.

　　4、up to 1000 or 1600 DPI,adjustable.. 5、Sleep mode for saving power.

　　6、Ergonomics design,avoid hand fatigue.