Feature: [OTG Adapter] Three options for you. (1)USB3.0 to Type-C: USB3.0/5Gbs/3A . (2) Type-C to USB2.0: USB2.0/480Mbps/3A . (3) Micro to Type C: USB2.0/480Mbps/2.4A Efficient ConvertingCompatible with more devices] OTG adapters can help you connect keyboards, cell phones, mice, hard drives, U drives, gamepads and other devices to meet your daily connection needs. Type-C device: mobile phones, tablets, laptops, etc. USB-A device: keyboard, mouse, U disk, hard disk, gamepads, etc. [Data transmission speed] 3.0 USB is about 10 times faster than 2.0, enabling faster transfers and helping you back up sweet memories with ease. USB3.0: 5Gbs / USB2.0: 480Mbps. Specifications: Name: OTG Adapter Material: Aluminum Alloy Color: Black/Blue/Purple Function: Data Transmission + Charge