Does not stick to shape easily. *Please check the USB connector carefully before using. After USB connection, it can heat up to 176°F (80°C) in about 2 minutes, and in about 5 minutes, it can be heated up to 100°C. Approximately 2 minutes 176°F (80°C) for fluffy, natural curls. For curls that are crisp and long lasting in about 5 minutes. ■ Size: Diameter 1.3 x 3.3 inches (3.2 x 8.5 cm) (not including the hairring part)