Card Reader USB 3.0 Micro USB Type C MicroSD OTG Memory Adapter Laptop Computer
OTG USB C Tablet: for Samsung Galaxy Tab S3 9.7, Samsung Galaxy Book, Lenovo Tab 4, Asus ZenPad 3S, HP Elite X2, ACER SWITCH ALPHA 12 etc. Android Smartphones/Tablet do not download app, but need otg function.