Vibration function / USB rechargeable】#Equipped with "Heattech function" that warms up to more than human skin! No cool feeling peculiar to ##goods, and the best insertion and pleasure sensation is realized. 8 patterns of vibration function#●Heattech function that warms up to 40-42 degrees Celsius#●Medical-grade silicone coating#●Enjoy powerful vibrations of an electric massage level##※The included cover allows you to attach an electric massage attachment with a head diameter of approximately 3.1Φcm. #Continuous operation for 90 minutes with approx. 4 hours of charging.