Combining the emotion of music with the vibrations of pleasure, SIRI(TM) 2 is an ultra-powerful palm-held massager that responds to ambient noise - whether it's your favorite playlist or your lover's voice. SIRI(TM) 2 is 100% more powerful than the original and now it's fully waterproof too. With 8 additional pre-set vibration patterns inspired by different musical genres, including classical, reggae, jazz, techno and more, this massager will have you singing from the rooftops. Unique Sound-Responsive Setting. 8 Powerful Vibration Patterns. Dual-Function to Enhance Your Singing. 100% Waterproof and USB-Rechargeable. 2-Hours Use from a Single Charge. Smooth Silicone with 1-Year Warranty. Includes USB charger.