There's two kind of moaning system in the market.
Shaking moaning.
For this kind of moaning, no sensor is installed inside the body. So if the power of the speaker exhause, just charge it and can be used again.Any shaking of the body will active the moaning. Please click the link below to see the demo
https://drive.google.com/file/d/1YhnIaWAqQLl9vBUqd4YxFDQslB2hrR5V/view?usp=sharing
Touch moaning.
Several sensors will be installed inside the body in the touching area like breast, butt and vagina.Only touch those area installed with sensor will active the moaning. When the power of the sensore exhaust, the moaning will stop working.The power of the sensor is not chargable. Please click the link below to see the demo.
https://drive.google.com/file/d/1fqQo3dvedgF7b-VmdzAHPvVbGyaPv3zR/view?usp=sharing
Basically , the moaning voice is fixed but difference for difference brand . Moon-doll is the first one to offer the customized voice service. We can make the moanig voice according to your requirement.
Location of the speaker can be separate outside the body. and can be installed in different location of the body like the back of the head, back of the body or side of the body.