Opal Vibrating Glass Massagers and multi-function motors, Opal is an exquisite addition to the JOPEN family. The glass surface on Opal provides a durable, non-toxic and seamless exterior for a smooth and thrilling sensation. The strategically placed dual motors offer optimal stimulation, providing the superior pleasure that characterize all JOPEN products. 10 functions of intense vibration, pulsation, and escalation. Hand-blown glass shaft with luxurious Silicone controller and stimulator. Powerful dual motors. Tempered, shatterproof glass. Instant on/off button. Memory chip resumes on last function used. USB rechargeable - charging cord included. 100% Waterproof. One-Year Warranty.