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