Plug and play, convenient for use. USB 3.0 interface, high-speed transmission, compatible with USB 2.0/1.1. Portable and lightweight, easy to carry. Item Name: USB 3.0 Card Reader Material: ABS Interface: USB 3.0 Port for PC & Micro USB Port for Smartphone Card Slot: TF/Micro Secure Digital Card (Not Included) System Requirement: for Windows 10/8/7/Vista/XP, for Mac OS 9 and above, for Linux (2.x and 3.x) Features: Portable, Plug and Play, High Speed Transfer Size: 5.3cm x 1.9cm x 0.9cm/1.26"; x 0.63"; x 0.35"; (Approx.) Notes: Please insert the memory card (not included) completely into the card slot during use. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB 3.0 Card Reader