The device in the box must be plugged into the connector on the side of the doll. Press and hold the power button for 3 seconds to turn the device on/off. After turning it on, use the top button to select one of the 3 vaginal suction functions. Press the bottom button to choose between English, Chinese, Japanese, and Korean, as the doll speaks erotic phrases. Use the leftmost button to adjust the volume between 3 levels, but headphones can also be connected to the device so that the sound does n