Features: Standard USB 3.0 high-speed transmission: For a faster speed up to 5Gbps, 10 times that of USB2.0. Support OTG: Connect the mobile phone directly to the U disk, card reader, MP3, keyboard and other external devices for connection, input operation, etc. or charging. More convenient to use: For MacBook, convert USB3.0 interface, read and write U disk, etc. Support more USB devices: Support for MacBook to connect U disk, mouse, keyboard, U shield interface. Although small but very useful: aluminum alloy casing, longer service life. Type-C to USB3.1: The "Positive and Reverse Plug" function can be inserted on both the front and the back, and it is durable. Specification: Output interface: USB3.0 Color: Silver Support OTG function for connecting USB peripherals. Plug and play, no external drive required. Size: approx. 3 * 1.5 * 0.6cm / 1.2 * 0.6 * 0.2in Weight: 5.7g Package list: 1 * Adapter 1、Standard USB 3.0 high-speed transmission: For a faster speed up to 5Gbps, 10 times that of USB2.0. 2、Support OTG: Connect the mobile phone directly to the U disk, card reader, MP3, keyboard and other external devices for connection, input operation, etc. or charging. 3、More convenient to use: For MacBook, convert USB3.0 interface, read and write U disk, etc. 4、Support more USB devices: Support for MacBook to connect U disk, mouse, keyboard, U shield interface. 5、Type-C to USB3.1: The ''Positive and Reverse Plug'' function can be inserted on both the front and the back, and it is durable.