Premium Silicone Massager with flexible neck. 10 powerful functions of vibration. pulsation and escalation. Resonating stimulation wiith intense rumbling head. Easy push button control- hold for 3 seconds to turn on/off. Waterproof. Material: Silicone 2 AAA batteries required. not included. Dimensions: 6.5 inches by 1.5 inches ( body wand) 1.75 inches by 1.5 inches (head)