Description: This mini TF card reader use USB 3.0 port which allows you to export the files faster and save your time. You can insert different memory card in this TF card reader and it supports micro SD,micro SDHC and TF card etc. This USB 3.1 card reader is small and lightweight,which can be easily carried with you and with a key chain to tie the top,you don't need to worry you will lost it easily. This USB card adapter supports the plug and play design,so you can use it without installing any drivers by yourself. This card reader use metal to make the body and plug,even after many times of plugging and unplugging,it will still work fluently. Specification: Material: Metal. Color: Black,silver,rose golden,golden. Size: 2.1*1.8cm. USB: USB 3.1. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: Type 1: 1* Card reader. Type 2: 1* Card reader. 1* Keychain. This mini TF card reader use USB 3.1 port which allow you transfer files that is stored in the TF card faster This TF card reader can support most of TF card and can read the TF card inside the phone or camera This USB 3.1 card reader can be quickly used after you plug it on PC or laptop without restart the phone