This Nude G-spot Duo Vibrator Sierra is easy to use thanks to the single button operation. You simply cycle through the 10 strong vibrations:. It has 7 rhythms and 3 speeds. The G-spot duo vibe has a soft and flexible clitoris stimulator, perfect for beginners and for anyone who like subtle and tantalizing stimulation inside and out. Sierra is made of smooth soft silicone and ABS, free of phthalates and body safe. It has an IPX6 rating for water resistance. For charging after use the vibrator has a waterproof charging hole. A USB pin cable is included. After a full charge your Nude vibe is ready for 90 minutes of nudelicous delight.