Thicken the copper core to reduce charging loss, high work efficiency, fast charging speed Good anti-interference . Low operating temperature and long service life. High-quality plastic for shell, constant temperature charging, not hot, safe and secure. Output short circuit for protection, overvoltage and overload filter for protection. Real machine test aging safety is high It is small and portable, which does not take up space, allowing you to carry it with you and easily fit it into your travel bag. The line uses 20 new pure copper wires without heat, so as to ensure the safety of users. Faster transmission speed, save worry and trouble.