The Primo is made from eco-friendly silicone, has undergone strict testing, and meets high standards before it hits the market. It features 5 different operating modes and 5 intensities in each mode, offering a total of 25 options. Despite its small size, the motor inside the silicone satisfies your most intense desires. It is designed with a pinhole charging port and is fully waterproof. Use it in the shower, in the bathtub, in your pool, wherever you wish. The Primo has a heating core that can warm the vibrator up to about 38℃/100.4℉, providing better satisfaction, especially during the winter.