Description: brand new and high quality. Feature: USB specification compliance: for Comply with 480Mbps Universal Serial Bus specification rev.2.0. for Comply with USB Storage Class specification rev.1.0. Support one device address and up to four endpoints: Control (0)/Bulk Read (1)/Bulk Write (2)/Interrupt (3) / Integrated USB building blocks. USB2.0 transceiver macro (UTM), Serial Interface Engine (SIE), Build-in power-on reset (POR) and low-voltage detector (LVD),Secure DigitalTM (SD) and Multi Media Card TM (for MMC). Supports SD specification v1.0 / v1.1 / v2.0 / SDHC (Up to 32GB). for SDXC (Up to 2TB). Supports 1/4 bit data bus. Support boost mode for SD3.0 for better performance. Support LED function to indicate power and access status. System requirement: for One free for M.2 for key A.E. socket(WiFi slot). for Windows 7/8/10, for Mac OS. Adapter Card only, other accessories demo in the picture is not included! Specificatins: Item Type: Adapter Card Material: Plastic Size: 30x22mm/1.18x0.87in Color: As shown Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Adapter Card