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Customization Options Explanation


Built-in Tongue 

  • An extra tongue in the oral cavity.

Real Oral Sex (ROS)

  • The sex dolls with Real Oral Sex are becoming increasingly popular because of their realistic appearance. It has an ultra-realistic oral cavity, flexible tongue and jaw and real oral sex channel than the regular one with tongue.

ROS Head Oral Sex New Function: 4 language Moaning+Oral Clamp Sucking

Irontech ROS head (Only available on S1, S17, S18, S20, S26, S29, S37, S40)




  • Body joints are fixed and cannot be bent


  • The joints of the body's shoulders are able to shrug their shoulders

EVO Skeleton/Double Knee Joint Skeleton

  • EVO skeleton is a better skeleton after the upgrade, including shrugging shoulders and double knee joint skeleton.

Ultra Soft Skeleton

  • Ultra soft skeleton is a very soft skeleton. The joints cannot be fixed. It is like the sex doll is paralyzed.



Solid Breast

  • Experience indentation while squeezing
  • Resilient but a bit solid
  • Feel like 90% close to a real breast

Hollow Breast

  • Only TPE material between fingers while squeezing
  • Will not flatten when laying on top
  • Feel like 95% close to a real breast

Gel Breast

  • The main material for breast augmentation
  • Very soft and elastic
  • Feel like 99% close to a real breast


Articulated Fingers

  • Articulated Fingers are more realistic like human fingers than normal fingers. This can hold objects tightly and the joints are less likely to become loose with prolonged use.

WM's new articulated fingers have a ball joint design at the wrist, allowing 360° rotation.

Hand Palm & Wrist Joint 

  • This function is a larger bend at the wrist, can be bent to about 90 degrees.



Non Standing 

  • Cannot stand due to imbalance of weight
  • May ruin her feet if try to force standing


  • Add three threaded bolts to each of her foot
  • Threaded bolts are connected directly to the internal skeleton
  • Allow standing as the weight would be applied to the bolts but not soft flesh
  • Makes her more practical for posing, handling, and wearing shoes
  • Allows robust protection to feet to extend the lifespan

Standing Feet Without Bolt

Irontech silicone sex dolls can choose standing feet Without Bolt.


Internal Body Heating System

We offer an internal heating system that allows you to easily heat the dolls body from the inside out. Experience consistent heat throughout her body. 

Steps for heating

  1. Lay the doll flat without any posture.
  2. Insert the charger into the doll's interface.
  3. Check if the charger light is on. If the light is on, it indicates that the heating is in progress.
  4. Charge for about 20 minutes, touch the doll's lower abdomen to feel a slight increase in temperature, then continue heating. After heating for 2 hours, use a temperature controller to check. If the surface temperature of the doll reaches around 30 degrees Celsius, unplug the charger and stop heating.


PS: You can't heat the doll for a long time or it'll burn out. Check for proper heating every half hour.


Moaning System

Attach a sound device to the head or other body parts of the doll, which is manually controlled via switches/buttons. Once pressed, your doll will make moaning sounds.

Normal Moaning

  • Normal moaning is to turn on the moaning system switch will sound.

Smart Moaning

  •  Make moaning sounds when touching the breast, vagina, and hip area. The function of simple conversation is available. Volume can be adjusted by yourself.


How to charge the moaning system?

The sex doll moaning system has an internal battery that requires an external power source to charge.
Locate the charging power port and plug it into an electric outlet to charge the internal battery. The chords provide a low voltage/current to the moaning system, so it is completely safe to touch the doll while charging the sound system.


  • Don’t take a bath with the doll if the sound system is attached to the body.
  • Keep the charging ports or buttons moisture-free.
  • Do not place any heavy objects on the head of the doll.
  • Do not move the doll while charging the moaning system.


What does a real sex doll moaning sound like?


Hyper-realism Body Painting/Realistic Body Painting



If you're tired of a motionless sex doll, try enhancing your doll with robot feature. 'Auto Clamp & Suck', 'Electric Hip & Waist" or 'Automatic Blowjob' option takes your sex with dolls to the next level. Robot Sex Doll are available with electric function.

Auto Clamp & Suck Externalized Modules 

Built-in Auto Clamp & Suck 

Auto Blowjob

Breathing System