It is an adapter that converts USB Type-C terminal to USB 3.1 Standard-A terminal. USB Type-C connector is double-sided pluggable that can be inserted regardless of Back Front. By using this conversion adapter, you can use handheld peripheral devices that can not be inserted into USB Type-C, and if you use a USB Hub it will be more extensible. USB 3.1 / USB3.0 / USB2.0 Standard - A male can be connected. (Transfer speed and supply current conform to each standard.) High speed data transfer of up to 5 Gbps (USB 3.1 Gen 1) is possible. It is possible to transmit a maximum current of 5 V and 3A with a large current 3A. (The current value supplied depends on the performance of the personal computer etc. to be used.) A gold-plated pin connector which strongly suppresses signal deterioration against rust etc. is adopted. / Specifications Connector shape: USB Type-C Male - USB 3.1 Standard-A female compatible model: Personal computer with USB Standard-A terminal and personal computer with USB Type-C terminal Peripheral standard: USB 3.1 ) Compliant Transfer speed: up to 5 Gbps * theoretical value plug plating specification: gold plating pin shield method: triple shielded twisted pair cable (communication line): yes. ELECOM Co., Ltd. is a Japanese electronics company, headquartered in Osaka, Japan. They are best known for their modern design, especially with their mice. The company produces many electronics along with other Japanese computer-peripheral manufacturers such as I-O Data, Buffalo, and Century micro that are shipped to many outside and larger companies, as an OEM (e.g. Century Micro is known to ship their memory chips to Samsung.)