Screaming O's PrimO Tux is a vibrating couples cock ring that is made from premium silicone that is slips easily over your erection. The soft teeth on the inner ring are designed to provide you with longer lasting erections. The ring has a removable bullet that includes 2 x AG-13 batteries that offer 45 minutes of vibrating pleasure. It has 4 functions - 3 vibration intensities and one pulsating function - all controled with an easy one-touch button. This bullet slips into a pocket that has external nubs for extra clitoral stimulation for your partner. It is 10cm in length and is waterproof so you can enjoy this toy in any environment!