support hdd support 2.5 inch hd, h=9.5mm, 5v support usb storage devices with fat 16/32 file system. support os win98/me/2000/xp mac os9.0 or above. interface compliant with otg supplement rev.1.0 and usbspecification version 2.0 for high-speed (480mbps) usb host and device. face anti-abrasion and shockproof aluminium shell with highheat dissipation coefficient. power rechargeable li-ion battery inside 1200mah, long battery life. accessories usb2.0 cable, net case, charger, screw driver, manual. size 120¡á77¡á22(mm)