Flash Drive 256GB USB Type C Both 2.1 Tech - 2 In 1 Drive Memory Stick High Speed Read And Write For Android Smartphone Computer Features: FASTER TRANSFER SPEEDUSB 2.1 & Type C 2.1 data transfer speed can be up to 90-180MB(read) and 15-80MB(write),which is much faster than USB 2.0 drives and many other brands in the market. No more waiting for long time while transferring data and files. ALLOY METAL CASESuperior quality metal case design makes it, damp proof and looks more distinguished. ROTATING FREELY360 rotation protecting cap design, and 90 stuck point design avoids the drive rotates randomly. Besides, you can hang it on a key chain with humanized hanging ring design. CONNECTORSEquipped with USB 2.1 & Type C 2.1 ports, which allows you transfer data between smartphone/tablet and computer more conveniently.No need to use service. Metal has good heat conduction and heat dissipation, the heating of U disk is a normal phenomenon, U disk can withstand the high temperature of 85 degrees, please assured to use Product Description: Product name: Usb flash disk Material: metal Color: Read/write rate: 2.1 interface: read 6M - 10M / write 15M - 25M Package size: 2.44*0.59*0.3in Product weight: 0.066lb Package Included: 1 x USB 2.1