The perfect curve and length for prostate stimulation. Flexes to create intense pinpoint stimulation. 10 intense functions of vibration. pulsation and escalation. Quiet and powerful motor located in the tip. State-of-the art memory chip resumes last function used. Soft PVC (massager) ABS (cap). Silver Plating (ring). Instant On/Off. Batteries included (2 N). 4 x .75/ 10 cm x 2 cm (P). 3.5x .75/ 9 cm x 2 cm (external stimulator).