ITEM NAME:USB 3.0 SD SDHC SDXC Micro SD Micro SDXC UHS-I TF T-Flash Memory Card Reader Description: UItra high speed USB 3.0 TF memory card reader, up tp 5 Gbps. Support TFSC, TFHC,TFXC (Maximum Support 2TB), TF 3.0 UHS-Iï ¼Ë†UItra High Speed) Powers via USB port, no additional power supply needed. Compatible for Windows ME,2000,XP,Vista,WIN 7 and Mac OS with USB interface Fast transfer rate for reliable copy/download/backup. Specification: Material:alloy Size:30mm*15mm*5mm USB 3.0 interface. Package Includes: 1 piece card reader.(Support TFSC, TFHC,TFXC (Maximum Support 2TB), TF 3.0 UHS-Iï ¼Ë†UItra High Speed). 1 piece card reader. USB 3.0 interface. Size:30mm 15mm 5mm.