For connecting USB (Universal Serial Bus)-C accessories (eg a charger hard drive) to a smartphonetablet PCnotebook PC with a USB (Universal Serial Bus)-C socket High-speed data transfer of up to 480 Mbps Gold-plated plug with low contact resistance for secure signal transmission Double shielding for optimal reduction of electromagnetic interference Extra-large cross-sectional area for charging a smartphonetablet PC especially quickly The inner conductor is made from copper which ensures best transmission properties Sturdy plugs & moulded strain reliefs high mechanical resistance Ideal for charging data transfer & synchronization