Features: It has USB3.0 interface, faster and more stable. Micro-USB and USB3.0 connectors, 2 in 1 design. It's easy to transfer data between computers, tablets and smartphones. It is widely compatible with OTG functions of most for Android smartphones and tablets. Light and portable, easy to carry. It can be used as additional storage for laptops, desktops or for Android devices. Specifications: Material: ABS Size: Approx. 7*2*1cm/2.76*0.79*0.39inch Color: Black, Red, White(optional) Capacity: 8G, 32G(optional) Reading speed: 8G-64GB 60-80mb/s, 128G 90-100MB/s(USB3.0) Writing speed: 8G 15-20 MB/s, 16G-128G 20-30 MB/s(USB3.0) Compatible System: For Win 98/ME/2000/XP/Vista/7, For Mac OS 9.X, For Linux 2.4, No device driver required Compatible With USB1.1/2.0 Operating Temperature: -10-55Deg.C Package list: 1 x 2 In 1 U Disk 1、It has USB3.0 interface, faster and more stable. 2、Micro-USB and USB3.0 connectors, 2 in 1 design. 3、It's easy to transfer data between computers, tablets and smartphones. 4、It is widely compatible with OTG functions of most for Android smartphones and tablets. 5、Light and portable, easy to carry.