COMPATIBILITY: USB-C to USB adapter is compatible with ALL laptops/tablets/smartphones with a USB Type-C port (except iPad Pro). The USB-C to USB adapter allows you to connect standard USB accessories/cables to a USB-C or Thunderbolt 3 device like MacBook Pro 2019/2018/2017 or MacBook Air 2018. The adapter also supports OTG technology for smartphones. HIGH-SPEED TRANSFER: The USB-C to USB 3.0 adapter supports data transfer up to 5Gbps. The speed of this USB-C adapter is twice as high as USB 2.0, giving you an unparalleled speed experience. USE SIDE BY SIDE: There are 3 adapters in one package, a computer can be connected to three side by side simultaneously, an external U disk can transfer data, and two more can be connected to other devices, providing you with efficient office conditions. COMPACT DESIGN: Our OTG adapter case is made of high-quality aluminum. Plug and play, no driver required. Simple structure, lightweight, and portable. High-quality aluminum alloy case prevents scratches. The USB-C port can withstand more than 10,000 push/pull tests.