The nubs provide additional clitoral stimulation for women during intercourse. By rotating the ring, the testicles are stimulated. There are no limits to your imagination. With 5 vibration programs and 5 intensities, Tyler offers a wealth of possibilities. Operating Tyler is very simple: pressing the button for 2 seconds turns it on and off. The 5 vibration intensities can be adjusted by simply pressing the button. When Tyler is turned on, it automatically starts at medium intensity. After reaching the highest level, it will begin again at the lowest intensity with another press. You can change the program with a double click. The inner diameter of the ring is 2.9 cm when unstretched. You can also enjoy Tyler in the bathtub or shower, as it is waterproof. Tyler's battery fully charges within one hour and lasts for one hour of use. Additionally, Tyler's silicone is not only skin-friendly but also produced in a 100% environmentally friendly manner. Extremely powerful vibrations for both him and her, 100% waterproof, rechargeable, textured surface for intense clitoral stimulation, extremely soft silicone penis ring with comfortable wear, vibration modes.