An automatic BJ simulator is an electric, hands-free male masturbator that typically combines deep suction, rhythmic thrusting or vibration, and internal textured sleeves to simulate real oral sex. Popular variants feature \(18\text{ cm}\) insertable depths, \(6\) vibration frequencies, and \(3\) vacuum/suction modes. [1, 2, 3, 4]
Features & Capabilities
- Automatic Suction: Mimics the natural vacuuming and swallowing sensations of oral sex.
- Vibrating Frequencies: Multiple vibration and thrusting modes give you customizable stimulation and help build stamina.
- Material & Maintenance: Typically made with a soft, stretchy TPE or medical-grade silicone interior sleeve. Most models feature a removable inner core so you can easily wash the sleeve without damaging the electronics.
- Power: Usually rechargeable via USB, allowing for portable, hands-free operation


















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