Rumble is Hygienic. It features a removable head made of Tantus own unique formula of 100% Ultra-Premium Silicone which makes completely cleaning the contact surface a breeze.Rumble is featherweight. It only weighs 6.6 ounces, so anyone can hold it.Rumble is truly ergonomic. The indent on the Rumbles back holds your hand securely, making it comfortable for you to hold and easier to handle than any other vibrator.Rumble has a thumping, rumbly motor which gives it the deep, powerful vibration that is so effective in a personal vibrator.Rumble has a quiet motor because privacy is important.Rumble has smart design. The speed controls are right where your thumb rests, while the on/off button is where you wont accidently turn it off in the middle of the perfect moment.Rumble features 14 different speeds, so you can find the setting thats best for you.Its cordless and rechargeable so you can use Rumble anywhere. Three removable silicone heads allow you to customize your Rumble experience.