Using your Gaia Eco Bullet is a breeze. First, insert a AAA battery into the battery compartment. Once the battery is in, press the easy - to - use push button to start the one - speed vibrations. You can use it in the tub as it's waterproof, just make sure to dry it thoroughly after. When you're done, turn it off by pressing the button again. To keep it in good condition, clean it with a mild soap and warm water. Avoid using harsh chemicals as they might damage the bioplastic material. Store it in a cool, dry place away from direct sunlight. And remember, this eco - friendly vibrator is biodegradable and recyclable, so do your part for the environment when it's time to replace it.