The NU Sensuelle Bentlii USB Rechargeable Double Motor Vibe features 15 functions of deep throbbing and pulsating action. Plus this dual motored vibe is also flexible so you can adjust it to your unique shape. Ultra smooth, silky, sensual touch in a flexible design with 15 Powerful Functions and 2 intensely powerful motors.. It's everything you've come expect from NU Sensuelle, the leader in cutting edge vibration technology. Material: Silicone Waterproof: 100% Submersible USB Rechargeable - Wall Charger Not Included (USB Cable Only) Charge time: 4 Hours Run Time: 1 Hour 1 Year Warranty