Come and see our amazing products. This mini USB TF card reader can provide you 480Mbps data transmission speed and save you time on trasfering data,so you can have more time to edite it.This card reader use metal to make the port and the surface is plated which make it long lasting and can be repeatedly plug and unplug.This micro SD card reader has chain attach to it and you can use the chain to hang the card reader on you keyring for portable.Quantity over 10000 piece is the price of sea transportation. Pls confirm with us about the packing info, stock color and exact production time before placing your order.