1. The inner conductor, soft and durable, applies 0.06mm and 0.08mm high-purity tinning oxygen-free copper; 2. Up to 46 pieces of 0.08mm high-purity tin-plating oxygen-free copper consist of each internal power cords. It provides fast charge and data transfer; 3. Effective anti-interference and high-speed data transmission: internal wires are 360-degree wrapped around by high-level conductive aluminum foil (covering up to 125%). 4. PVC cable housing, durable in use; 5. Parameters: Rated voltage is DC 5V. Maximum current is 2.4A.