Roq Rechargeable Ring is by far the most powerful cockring available. Boasting 10 supercharged vibration modes. this bad boy will leave your partner wanting more. The silky smooth silicone and unique nub tip will tantalize hot spots in all the right places. Completely submersible. this cock ring loves to get wet and wild in the pool. hot tub. shower. or whatever wets your whistle. PRODUCT FEATURES extremely powerful motor rechargeable (USB cable included) 10 vibration modes one button easy control* extremely quiet velvety smooth silicone submersible running time 45min PRODUCT MEASUREMENT height : 8.8cm inner diameter : 3.2cm