HSTD-155 USB3.0 to Micro USB 64G 32G 16G Flash Drives U Disk For PC and OTG Smart Phone Specification:Function 1:Ordinary U disk Function 2:Micro SD card reader without taking the TF card out of mobile phoneFunction 3:Smartphone external storage deviceFunction:Fit for OTG Smart phones.

Capacity	64G 32G 16G
Interface	USB 3.0 interface、 Mirco usb
Endurance	1、000、000 times re-writable
Operating System	Windows 2000 / XP and above
Power Source	USB bus-powered (4.5V ~ 5.5V)Operating Current: !#!lt!*!50mA
Speed	15mb/s
Data Retention	10years up
Compatible with	USB 1.1/2.0
Operating Temp	-10 to +55Deg.C
Storage Temp	-20 to +55Deg.C