PINA is compact and ready to travel. Remove the cap to reveal the USB Connector. To charge, simply plug right into any USB port, with no charging cable needed. Coated with Silicone for a body safe experience, PINA features 10-vibrating functions, and is splash proof and includes Pleasure Promise Lifetime Warranty. Operating InstructionsPress and hold the Push-Button for 3 seconds. The light will turn solid and the vibration will start.Press and release the Push-Button to cycle through the 10-vibration settings. Press and hold the Push-Button for 3 seconds to turn your item off.Charging InstructionsRemove the cap from the bottom of your item to reveal the USB charging connector.Plug your item into any USB plug to begin charging. The light will begin to flash. When your toy Is fully charged, the light will become solid.