Vibrator with slightly bent tip. One-button solution: pressing briefly - on/off, holding down - enhances vibration, holding down again - reduces vibration. TÜV-tested. Excellent skin-compability dermatologically and clinically tested, hypoallergenic and odourless. Length approx. 21 cm, Ø 3.4 - 4.2 cm. Material: silicone, phthalate-free according to EU Regulation REACH. If necessary please use water-based lubricant. Please order batteries separately: 2 x Mignon (AA).