3 in 1 USB-C Type-C + USB 2.0 + Micro USB Multifunction OTG Card Reader Features: 1. The product shell is made of aluminum-magnesium alloy, which is durable 2. Three-in-one interface (Type-CMicro USBUSB2.0), multiple applications to meet different needs 3. SD+TF dual card slot supports reading and writing SD(HC)MMCMicro SD different capacity memory cards, memory cards; USB interface can synchronize data, USBHDD can transfer data between each other, copy files between each other, and use more convenient 4. The USB interface supports the connection of USB external devices, which can be connected to USB flash drives, mice, keyboards, mobile hard drives, game controllers, printers, LED lights and other external devices 5. Support hot swap, plug and play, no driver required 6. There is a blue LED indicator when the USB and Type-C interfaces are connected to the device, which is clear at a glance 7. Support system: Windows 20002003MEXPVistaWIN 7810 or Mac OS 8.1 or higher 8. Lanyard design, anti-lost, small and exquisite, easy to carry