Transmission Current : 3A (Max) Feature : - Plugging to use, transfer quickly, change the Lightning cable to Micro USB - Support3A Max current - Compatible with Type-C interface devices - Over 10000 Times Plug Testing, plug smoothly and durability - Built-in identification resistor intelligently matches safe current and protect mobile phones - Stable transmission, ensuring data transmission and charging at the same time - Wallets and pockets are free to fit, Portable, Save Space - Aluminum Alloy Shell, corrosion resistance, oxidation resistance, lasting as new