Memory Card Reader Micro USB OTG to USB 2.0 Adapter USB 2.0 SD/Micro SD Card

2 slots: SD + micro SD. USB A male with a micro USB dual- plug design, smart phone and PC support dual interface. Transmission interface: USB2.0 (micro USB 5pin) + USB A Male. Supports SD v3.0 UHS-I specification, the maximum transfer 104MB per second.