This 乐行者 technology is the use of highly sensitive military and espionage level of sound sensors to change the sound of the receiver， and then use the audio amplifier technology and the highest technology. The size and frequency of the sound is converted to power to drive the motor is operating. He can capture every nuance of frequency， rhythm， volume change to work. When we come to our pleasure becomes breath or wheezing or groan loudly when vibration products accordingly becomes rapid or vigorous. 

Imminent， simply repeating moving .. To climax. You shout out loud! Absolute novelty， beautifully packaged products， so you definitely have to give as gifts and personal use face!