Powerful and Quiet: To maintain its reputation for discreetness, the vibration motor is virtually silent. You can easily use it at home, in an apartment or even a public bathroom without anyone knowing what you're doing. Discreet and On-The-Go: Our vibrator discreetly masquerades as makeup brush, small and easy to carry and private for your handbag or travel that makes it of the best travel vibrators we've ever seen. USB Rechargeable for More Power: Simply plug into your PC, laptop or USB converter for 30 minutes to enjoy up to 1 hour of play. Tips: It is recommended to full charge before first use. Waterproof: The makeup brush vibrator is completely waterproof so you can take it with you almost anywhere you go. The watertight seal also makes your new toy easier to clean than others since you don't have to worry about water leaking inside and ruining it, just rinse off with water after use.