These high powered nipple clamps have an integrated vibration feature, for more power and direct stimulation Gives a gentle pinching sensation as you control the speed via the wired remote. Ideal for couple play, these body-safe nipple clamps have a user-friendly design and are travel-ready. Measurements: 2 inches in length, opens to 0.5 inches wide Material: ABS Color: Black Note: Requires 2 AAA batteries, not included