Listening to the sexy gasp at night, you feel like you have sexual desire. If you want to protect your privacy, you can also wear headphones and enjoy the woman's groan alone. The transparent shell allows you to see your penis being teased by the particles in the sleeve, satisfying your lust for voyeurism. Press the telescopic rotary button to switch five different frequencies, feel the pleasure of soft particle massage inside you can also switch between 3 different rotation speedsand using the buttons to individually control and select the speed or frequency you desire.