Use 2.4GHz wireless control,working distance over 8 meters.

6 Axis Gyro-sensor with Speech recognition technology

Communication: 2.4GHz;Working Distance: 10M

included voice searching  +2USD

Frequency:  2.400-2.483GHz, Working Current: 20mA

Battery:3AAA Batteries, Indicator: 1 LED indicator

Product Size: 138.92*41.77*27.93mm, Weigh:65g

System: Compatible for Windows, Mac OS, Linux, Android

Country of Origin: China(Mainland)

http://www.unuiga.com.cn/