2 PCS JUNSUNMAY USB-C Type-C Female to Male USB 3.0 Micro B Adapter Converter 1. USB C to Micro B adapter: designed to connect your old portable external hard drives compatible with your new USB C or thunderbolt 3 desktoplaptoptablet directly, and eliminating the use of the USB C adapterdongle. 2. Type C to Micro B adapter: 5Gbps superspeed & 15W charging, with latest USB 3.1 type C and Micro USB 3.0 B connections. this external hard drive adapter support the transfer speed with 5Gbps and 5V 3A 15W output to transfer the transfer 1G video in seconds. 3. Micro B to USB 3.1 C adapter: play and plug, mini size design, easy to carry, with solid & secure connection. it is well fit snugly on both ends and offers a firm connection between the portable external hard drive and your laptop, which greatly ensures stable and fast data transmission. 4. Comaptible for Micro USB 3.0 Devices: this USB C hard drive adapter is ideal for USB 3.0 portable external hard drive such as portable SSD HDD WD and support the charging and data transfer to smartphones & cameras. 5. This external hard drive USB C connector can easily expand the storage space to your laptop via attaching a portable USB 3.0 hard drive, edit the videosphotosdocuments on your hard drive quickly.