The Vibrating Penis Sling is designed to maximize pleasure as a couple. It has 10 powerful vibration modes, with pleasure nodes that massage the clitoris and an elastic sleeve that doubles as a cock ring to increase erection and delay climax. Flexible and snug, this penis stimulator wraps the erection in soft silicone, exposing the tip and shaft for maximum stimulation, while adding fuller penis girth and sensation. Characteristic: 10 vibration functions 1 AAA battery Silicone + ABS