The dObla is a compact finger massager that fits right over your hand and produces variable levels of soothing vibration. It adds pinpoint stimulation to your fingertips via powerful vibrations. Simply attach the base control around your wrist, and the dual finger vibes to the tips of each finger with the adjustable elastic bands. Power up with the simple one-touch button and control the intensity with the dial. Perfect for home or office massage, this small yet powerful finger massager is ideally sized for targeted relief. Measurements: 8 inches in total length. Material: ABS plastic, elastic. Color: Blue. Note: Requires (2) AAA batteries, not included