CHOU is one of the most powerful & versatile vibrators on the market today.It features 4 distinct and Interchangeable silicone clitoral stimulation sleeves for advanced clitoral stimulation.It also contains Two New Generation 10-funtion F1 Motors with advanced technologies (The Two Motors can be Independently Controlled).The vibrator tip containsa 10-function NG F1 Vibrating Motor for G-Spot stimulation and simultaneously contains a unique 10-function NG F1 Vibrating Motor for Clitoral stimulator.This means your toy offers up to 100 distinctive settings and with 4 different clitoral sleeves your options are limitless.Made from 100% silky smooth medical-grade silicone (hypoallergenic). it is totally waterproof (IPX7). and extremely quiet at under 60db.This means you can use it wherever your heart desires.It contains a USB magnetic rechargeable lithium-ion battery. that when fully charged. will provide40minutes of passionate playtime.Just plug. charge and play! When you're getting close to climax. just one-touch of the special function climax button will immediately bring all the motors to full power/speed and. more importantly. bring you to an earth-shattering orgasm.All VIVE Vibrators have a full 1-year warranty to protect your investment.