The powerful shock frequency attacks the root of the penis, double sublimating the pleasure of sex! Highly elastic and durable dildo cover, with moderate extensibility and high fit, is very effective in improving the continuity of men's sex! The vibrator is located at the root of the penis, both parties can feel the vibration frequency stimulation at the same time during sex! The dense scaly texture brings all-round stimulation during thrusting. WARNING: Keep the product away from children. DO NOT expose the product or the charging device to humid places, direct UV or sunlight for an extended period. NEVER immerse or rinse the charging device in water or other fluids. If your toy appears to function abnormally, turn it off. Product is a reuseable after wash. DO NOT use this product with more than one person. DO NOT place any object inside the cup for use. Safety Precautions: Always clean the product before and after use.