The use of high-quality wire, good softness, not easy to produce creases. The data line is round and smooth, non-toxic and odor-free, thick wire, not easy to age, the overall interface is strong and durable, there is no gap at the joint, and the details are perfect. The interface has metal contacts to ensure the stability of charging and transmission, the connector is not easy to black, anti-wear, not easy to loose. Full power automatically power off, care for the battery, avoid battery damage, effectively extend battery life.