Svakom Siren vibrator, product designed with 2 very different side ends, both have a high-powered motor incorporated. On one side, the design that is appreciated is a double tongue which provides up to 3 levels of intensity. On the other, the rounded head with 5 levels of intensity and 5 types of vibration. These levels and vibration types provide 25 different combinations of pleasurable stimulation. Waterproof design and with a travel lock, so you can take it with you wherever you go. Made of soft silicone and ABS. The 500mAh battery provides up to 3 hours of battery life.