Fall in love with these powerful, quiet, and waterproof massagers 8 functions of vibration, pulsation, and escalation State-of-the-art memory chip resumes last function used Instant on/off button TPR (massager) ABS with Metallic Plating (trim) ABS (controller) 2 AA batteries 4.5”x 1.25”/ 11 cm x 3 cm (Loving Touch)