For connecting micro USB (Universal Serial Bus) 20 accessories (eg a charger cable OTG accessories) 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 The inner conductor is made from copper which ensures best transmission properties Sturdy plugs & moulded strain reliefs high mechanical resistance