Create a slick and smooth glide. 5 Vibration Intensities 5 Vibration Patterns Waterproof Design Body-safe Silicone Whisper Quiet USB Rechargeable Material: Silicone + ABS Weight: 2 oz. (57 g) Battery: 180 MAh Charging: Up to 90 min Use Time: Up to 60 min USB Type: Pin charge IPX: IPX7