The interior is made of high quality copper wire. The external use of imitation silica gel. Charging speed is fast. The speed of data transmission is fast. The wire is soft, tough and not easy to damage. The length is 1 meter and the diameter is 4 mm. Red, yellow, green, white, pink, purple, a variety of colors to choose from. It is suitable for all types of mobile phones and tablet computers with type-C connector This product only includes wire rod. If you need retail packaging, please contact us for price.