1.Intelligent constant temperature.39 ° intelligent temperature control, to prevent overheating burns skin.360-degree surround thermostat simulates vaginal temperature 2.Fully automatic expansion and contraction 380 times/minute, fast and slow alternating, take turns to play, such as beautiful buttock crazy impact, each expansion, pleasure is difficult to control 3.Three speeds plus seven frequencies, double pleasure, ten positions 4.Stretching distance of 4CM, deep inhalation, long roll out, enjoy the double pleasure of visual impact and stretching 5.370 piston motor, strong power, compact transmission gear, smooth track design 6.Real voice, 30 kinds of voice, takizawa field recording 7.TPE channel.Granulation 360 ° package, all-round stimulation