This Vibrating penis ring is made of soft smooth silicone, and has two locking rings, one ring is used to lock the penis, and the other ring is used to lock the balls. It features 10 powerful vibration modes with different speeds, and they all work with the press of the button! Long press the button to turn on and off, tap to freely switch between the vibration modes that suit you. And this is IPX7 Waterproof: so you can even use it in the shower, charge with USB cable and you can enjoy 45 mins after 1.5 hours fully charged.