The Bump N Groove anal plug from the American brand Evolved has the following features: a shape with a series of balls that range in width from 2 to 3.4 cm, an insertable length of 11 cm, 10 vibration patterns, and 3 rotation speeds at the tip. It provides intense prostate stimulation, and the remote control makes play easier. Additional features include: silicone material, waterproof, lithium battery, USB charging, a runtime of 60 to 90 minutes, a charging time of 90 minutes, and a noise level of 50 dB.