Luv Inc. In the business of Love. Not an ordinary bullet! This discreet, lipstick-shaped vibrator will deliver versatile stimulation with four interchangeable silicone caps and 10 vibration patterns. 10 Modes. 4 Interchangeable Silicone Heads. Waterproof. Silicone & ABS. USB Rechargeable – Working Time: 45-60 Minutes.