The NU Sensuelle Bobbii USB Rechargeable Bullet features 69 functions of deep throbbing and pulsating action. Plus this power packed bullet is also flexible so you can adjust it to your unique shape. Ultra smooth, silky, sensual touch in a flexible design with 69 powerful functions. It is everything you have come expect from NU Sensuelle, the leader in cutting edge vibration technology. Product features material Silicone. Waterproof vibrations. 100% submersible. Phthalates free. USB Rechargeable from any USB port. Charge time 4 hours, run time 1 hour. 1 year warranty.