Coollife 1G/2G/4G/8G/16G/32GB USB 2.0 Flash Drive Memory Stick 2 in 1 Micro for OTG Phone PC Tablet Ordinary U disk ,Micro SD card reader without taking the TF card out of mobile phone Smartphone external storage device;More than 10 years data retention Applicable models: the various brand PC and compatible computers, Macintosh, PowerBook, tablet PC with OTG function,iMAC or iBook. Note: Only Support smart phones with OTG function Please kindly select the capacity and the color according to your needs before purchased,thanks