Simultaneous sucking and vibrating! This masturbator massages the penis extensively with its 4 vibration modes and 3 suction modes that can be controlled separately on the shaft. the penis feels and gets stimulated by exciting grooves and then by gentle dots further down the sleeve. meanwhile, a safety valve provides the necessary safety and can stop and reverse the suction process immediately. the travel lock means that this masturbator is a discreet travel companion. the protective lid protects it from dirt and helps it look discreet as well. the sleeve can be removed for easy and hygienic cleaning. includes a usb cable. complete length 21.8 cm, insertion depth 15 cm, ø 2.5 cm (flexible). abs, tpe.