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/