Reverse compatible with USB 2.0 and 1.1.
2.5in SATA USB 3.0 HDD external case, support up to 1T and 7mm/9.5mm HDD/SSD.
Compatible for Mac OS system, up to 240M/s data transmission speed.
Support hot plug, plug and play.
Support system for Windows SE/ME/2000/XP/Vista/7, for Mac 8.6 and above.
LED light indicates power and activity status.
Some screws are provided, you can either twist the screws after you install your hard drive or just close external case.