Operating instructions: Suction, Tongue, and Vibration can be used simultaneously or independently. Tongue Power On/Off: press the tongue power button to initiate tongue motion. Press the power button to cycle through 7 tongue motion patterns. Press and hold to turn off. Vibration Power On/Off: Press the vibration power button to initiate vibration. Press the power button to cycle through 10 patterns of vibration. Press and hold to turn off. Suction Power On/Off: Locate the convenient release button that can be used to pulse or stop suction. Press and hold the suction power button to initiate suction. Press and hold to turn off suction. Made using Silicone and ABS plastic.