The plusOne Vibrating Bullet is made from body-safe materials with a soft-touch finish. It features a rechargeable lithium-ion battery that lasts for 2 hours on a single charge. The PlusOne bullet has one button you can turn on to explore 10 different vibration settings. It's also fully waterproof for use anywhere including in the bath or shower. Its small and compact design is pocket size and easy to carry when traveling. It also supports quick charging and includes a USB cable.