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、Two AAA alkaline batteries.

　　1. Nano receiver, free coding, plug and play

　　2. 2.4GHz Tech, 15m range using

　　3. 1600dpi provides more precise control, super antijamming capability

　　4. Smart power-saving technolgoy

　　5. One button function clean the screen 6.Voice increase and reduce shortcut button