BestRunner(TM) 2G/4G/8GB Micro USB 2.0 Flash Pen Drive Memory Stick for OTG Smart phone Tablet PC Notice:Only 1pc ,and phone NOT included !!! the color ,capacity for your choice,thanks! No need drive, only plug in ;No Drivers Required. Support PC Mode: all brands of PC, Laptop, HP, Dell, Toshiba, etc.SupportWin98/ME/2000/XP/Vista/7, Mac OS 9.X Function2:Micro SD card reader without taking the TF card out of mobile phone;Function3:Smart phone external without taking the TF card out of mobile phone Size: 69*19*10mm(fold)