The Theta Vibrator features a unique head that plays on the vaginal nerve pack as it slides in and out. The curve of the shaft mimics the curves of your body for an easy sensual motion. All the elements feature a new ergonomic base with a grooved grip that holds the thumb and is angled for a uniquely comfortable experience. The Theta is the perfect toy for solo or couples play. It also features a removable vibrator that can easily be replaced or upgraded to a multi-speed unit.