Even though the Kissable is whisper quiet , we can't guarantee you'll be. The Kissable has a rechargeable battery with a magnetic USB charging port and included charger. When fully charged it will last for 60 min. The Kissable is 100% waterproof - so that means you can go back to using your shower head for what it was made for. It's soft to the touch, smooth and waterproof design is made from medical grade silicone, making the Kissable easy to clean. What makes The Irresistible Collection so special is that our clitoral vibrator is made from high grade silicone and is equipped with our Touchless Air Wave Technology. The Technology works by gently and indirectly, stimulating the clitoris with 11 different intensity levels ranging from super-soft to powerful. This beautifully designed toys encircles your clitoris without touching it and stimulates it via soft pressure air waves which creates a unique tissue penetrating vibration that cannot be achieved without the use of this technology. (Sound waves can travel through various media including liquids and solids. The average propagation speed for sound in body tissue is 1540 m/s, the speed of sound also varies by the medium it travels through. Sound waves travels faster through muscle tissues than liquids). With the creation of our Touchless Airwave Technology, we are able to create the perfect sound wave pulsation which can travel through tissue and stimulate the clitoral nerve endings producing the most profound orgasms you will ever experience!