The ergonomic finger vibrator HANA features a New Generation F1 pulse wave motor with 10 functions. With this toy, you hardly need to lift a finger for an overwhelming experience. The buttons for the pulse wave vibration are easily accessible, allowing you to focus on what matters most. It is made of 100% silky soft medical-grade silicone (hypoallergenic), is completely waterproof (IPX7), and operates at an extremely quiet level of less than 60 dB. This means you can use it wherever you wish! It has a rechargeable lithium-ion battery that charges with a magnetic USB cable and provides 40 minutes of passionate pleasure on a full charge. Just plug it in, charge it up, and play! All VIVE vibrators come with a full 1-year warranty to protect your investment.