LOKI Wave has a perfect way to offer external and internal stimulation. With two motors, it is the first waterproof prostate vibrator that offers a movement function with also 10 vibration modes. WaveMotion technology is the creator of the movement function, ideal for stimulation in the prostate. Characteristics: 10 vibration functions 8 settings Movement function WaveMotion Technology Stimulate the prostate Ergonomic design USB rechargeable Silent Silicone Waterproof