Authenticated Certified SUPERSPEED + USB (USB 3.1) certified product that is the USB 3.1 standard! USB 3.1 conversion cable that can connect a USB device with a USB Standard-A terminal to a PC equipped with a USB Type-C terminal. The USB Type-C connector of the new standard allows you to plug in the cable regardless of the ULA or Front. It is also possible to convert a personal computer, AC charger, etc. with USB Type-C to USB 3.1 Standard-A female, and connect peripheral devices, cables etc. equipped with USB Standard-A terminal. USB PD (Power-Delivery) is not supported. Ultra high-speed data transfer of up to 5 Gbps is possible. A triple shielded cable that protects the signal from external noise interference is adopted. Can be used as a charging cable for MacBook (2015 Spring.) (It is confirmed that the MacBook body can be charged by connecting the "Apple 29W USB-C Power Adapter" attached to the main body of the MacBook and it can be charged.) EU RoHS Compliant / Specifications Connector shape: USB Type-C Male -USB 3.1 Standard-A female compatible model: PC equipped with USB Type-C terminal / Smartphone and USB Standard-A connector cable / peripheral equipment cable thickness: 4.5 m standard: USB 3.1 standard authorized product supported Speed: Maximum 5 Gbps * Theoretical value Plug plating specification: Gold-plated pin Shield method: Three-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.