1.COMPATIBILITY: The USB-C to USB adapter is compatible with aNY laptop/tablet/smartphone with a USB Type-C port(Except iPad Pro). The USB-C to USB Adapter lets you connect standard USB accessories/cables to a USB-C or Thunderbolt 3 device such as MacBook Pro 2019/2018/2017, MacBook Air 2018. The adapter also supports smartphones' OTG tech. 2.HIGH-SPEED TRANSMISSIN: The USB C to USB 3.0 adapter supports up to 5Gbps data transmission. The speed of this USB C adapter is twice that of USB 2.0, bringing you an unparalleled speed experience. 3.SIDE BY SIDE TO USE: There are 3 adapters in one package, one computer can be inserted into three side by side at the same time, one external U disk can transfer data, and two other can be connected to other devices, bringing you efficient office conditions. 4.COMPACT DESIGN: Our OTG adapter housing is made of High quality aluminum. Plug and play, no driver required. Simple structure, lightweight and portability. High quality aluminum alloy body prevents scratches. USB C connector passes 10,000+ Push/Pull Test. 5.CUSTOMER SERVICE: You will receive 3 usb c to usb adapter with your order.